1 | //Declaring some variables we will be using
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2 | var gmap_search_state = false;
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3 |
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4 | var map;
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5 | var markerArray = [];
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6 | var circleArray = [];
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7 | var polygons_on_map_array = [];
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8 | var xmlhttp;
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9 | var targetDiv = "infotop";
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10 | var selected = false;
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11 | var overNode;
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12 | var markerSelected = "";
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13 |
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14 |
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15 |
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16 | //This function is called from index.php
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17 | function initialize_map() {
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18 | //We will only do this function if the browser is compatible
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19 | if (GBrowserIsCompatible()) {
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20 | //Adding the google map into the div called #mapcanvas
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21 | map = new GMap2(document.getElementById("mapcanvas"), {googleBarOptions : {style : "new"}});
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22 | //Center the map on Leiden
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23 | map.setCenter(new GLatLng(52.162687, 4.493294), 11); // Vars should go to config
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24 | map.setUIToDefault();
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25 |
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26 |
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27 | /*
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28 | * Go through the array 'markers' (Declared in index.php) and add a marker for each marker stored in the array
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29 | * using our addMarker function.
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30 | * If the latLng of the marker is both 0
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31 | */
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32 | for (var i=0; i<markers.length; i++) {
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33 | var current = markers[i];
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34 | if(current.latitude[0] > 0 || current.latitude[0] < 0)
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35 | {
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36 | addMarker(current, i);
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37 | }
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38 | }
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39 |
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40 | GEvent.addListener(map, "click", function() {
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41 | if(!overNode == true)
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42 | deSelect();
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43 | });
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44 |
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45 | GEvent.addListener(map, "zoomend", function() {
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46 | mapZoomed();
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47 | });
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48 |
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49 | suggestMarkers("");
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50 | var markerClusterer = new MarkerClusterer(map, markerArray);
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51 |
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52 | }
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53 | }
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54 |
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55 | //This function will contain the displaying and not displaying of nodes on the map
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56 | function toggleMyKml() {
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57 |
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58 | }
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59 |
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60 | //This function adds a marker with an object from our 'marker'array defined in index.php
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61 | function addMarker(current, i) {
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62 | var latitude = Number(current.latitude[0]);
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63 | var longitude = Number(current.longitude[0]);
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64 | //var circle = drawCircle(latitude, longitude, 2.0, "#6C3", 1, 0.75, "#0F0",.2);
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65 | var marker = new GMarker(new GLatLng(current.latitude[0], current.longitude[0]), {title: current.name[0], icon: greenIcon});
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66 |
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67 | //Added mouseover listener that calls on our mouseOver function when the mouse moves over a marker on the map
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68 | GEvent.addListener(marker, 'mouseover', function() {
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69 | mouseOverNode(current.id, current.name[0],latitude, longitude);
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70 | });
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71 | GEvent.addListener(marker, 'click', function() {
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72 | mouseClickNode(current.id, current.name[0], marker);
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73 | });
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74 | GEvent.addListener(marker, 'mouseout', function() {
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75 | mouseOutNode(current.id, current.name[0]);
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76 | });
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77 |
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78 | markerArray.push(marker);
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79 | //circleArray.push(circle);
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80 | return marker;
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81 | }
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82 |
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83 | //Our mouseover function for single nodes. Gives the ID(our own given ID) and the name of the node.
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84 | function mouseClickNode(id, name, marker)
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85 | {
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86 | if(selected == true)
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87 | {
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88 | deSelect();
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89 | markerSelected = "";
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90 | }
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91 |
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92 | if(markerSelected == marker)
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93 | {
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94 | deSelect();
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95 | markerSelected = "";
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96 | }
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97 | else
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98 | {
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99 | selected = true;
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100 | markerSelected = marker;
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101 | marker.setImage("../img/sleutelGroenSelected.png");//Path should be in config
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102 | loadXMLDoc("inc/node_info.php?type=single&name="+name+""); //Should also be in config
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103 | }
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104 | }
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105 | //Our mouseover function for single nodes. Gives the ID(our own given ID) and the name of the node.
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106 | function mouseOverNode(id, name, latitude, longitude)
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107 | {
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108 | overNode = true;
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109 | if(!selected == true)
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110 | {
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111 |
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112 | drawCircle(latitude, longitude,0.1, "#6C3", 1, 0.75, "#0F0",.2, 200);
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113 | polygons_on_map_array.push(polygon);
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114 | map.addOverlay(polygon);
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115 |
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116 | loadXMLDoc("inc/node_info.php?type=single&name="+name+"");//Path should be in config
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117 |
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118 | /*
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119 | *Hieronder verdergaan met dekking
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120 | */
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121 |
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122 | }
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123 | }
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124 |
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125 | function mouseOutNode(id, name)
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126 | {
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127 | overNode = false;
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128 | map.removeOverlay(polygon);
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129 |
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130 | }
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131 |
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132 | //Our mouseover function for Cluster nodes. 'markers' is an array containing all markers within the cluster
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133 | function mouseOverCluster(markers)
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134 | {
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135 | if(!selected == true)
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136 | {
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137 | //Make 'markers' array (containing gmarkers) into an array containing only the titles(names) of the markers
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138 | var markerTitles = new Array;
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139 | var markerLatLngs = new Array;
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140 |
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141 | for(var i=0; i<markers.length; i++) {
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142 |
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143 | markerTitles.push(markers[i].marker.getTitle());
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144 | markerLatLngs.push(markers[i].marker.getLatLng() );
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145 | }
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146 |
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147 |
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148 |
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149 | for (var i=0; i<markerLatLngs.length; i++)
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150 | {
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151 | latLng = String(markerLatLngs[i]);
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152 |
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153 | pos = latLng.indexOf(',');
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154 | pos2 = latLng.length-1;
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155 |
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156 | var latitude = Number(latLng.substring(1, pos) );
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157 | var longitude = Number(latLng.substring(2 + pos, pos2) );
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158 |
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159 |
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160 | drawCircle( latitude, longitude,0.1, "#6C3", 1, 0.75, "#0F0",.2);
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161 |
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162 |
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163 |
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164 | map.addOverlay(polygon);
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165 | polygons_on_map_array.push(polygon);
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166 | }
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167 |
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168 | var markerTitleSerialized;
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169 |
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170 | //start
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171 | var a_php = "";
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172 | var total = 0;
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173 |
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174 | for (var i=0; i<markerTitles.length; i++)
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175 | {
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176 | ++ total;
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177 | a_php = a_php + "s:" +
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178 | String(i).length + ":\"" + String(i) + "\";s:" +
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179 | String(markerTitles[i]).length + ":\"" + String(markerTitles[i]) + "\";";
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180 | }
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181 | a_php = "a:" + total + ":{" + a_php + "}";
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182 | //end
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183 |
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184 | loadXMLDoc("inc/node_info.php?type=cluster&markers="+a_php+"")
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185 | /*
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186 | *Hieronder verdergaan met dekking
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187 | */
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188 | }
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189 | }
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190 |
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191 | //Our click function for Cluster nodes. 'markers' is an array containing all markers within the cluster
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192 | function clickCluster(markers)
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193 | {
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194 | if(selected == true)
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195 | deselect();
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196 |
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197 | //Let the rest of the program know that something is selected
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198 | select();
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199 |
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200 | //Make 'markers' array (containing gmarkers) into an array containing only the titles(names) of the markers
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201 | var markerTitles = new Array;
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202 | for(var i=0; i<markers.length; i++) {
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203 | markerTitles.push(markers[i].marker.getTitle());
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204 |
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205 | }
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206 |
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207 | var markerTitleSerialized;
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208 |
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209 | //start
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210 | var a_php = "";
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211 | var total = 0;
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212 |
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213 | for (var i=0; i<markerTitles.length; i++)
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214 | {
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215 | ++ total;
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216 | a_php = a_php + "s:" +
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217 | String(i).length + ":\"" + String(i) + "\";s:" +
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218 | String(markerTitles[i]).length + ":\"" + String(markerTitles[i]) + "\";";
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219 | }
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220 | a_php = "a:" + total + ":{" + a_php + "}";
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221 | //end
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222 |
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223 | loadXMLDoc("inc/node_info.php?type=cluster&markers="+a_php+"&sel=selected")
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224 | }
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225 |
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226 | function mouseOutCluster(markers)
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227 | {
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228 | removeAllPolgygons();
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229 | }
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230 |
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231 | function mapZoomed()
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232 | {
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233 | if(!markerSelected == "")
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234 | {
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235 | markerSelected.setImage("../img/sleutelGroenSelected.png");
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236 | }
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237 | }
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238 |
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239 | function removeAllPolgygons()
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240 | {
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241 | for(var i=0; i<polygons_on_map_array.length; i++)
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242 | {
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243 | var currentpolygon = polygons_on_map_array[i];
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244 | map.removeOverlay(currentpolygon);
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245 |
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246 | }
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247 | polygons_on_map_array.clear();
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248 | }
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249 |
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250 | function select()
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251 | {
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252 | selected = true;
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253 | }
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254 |
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255 | function deSelect()
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256 | {
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257 | selected = false;
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258 | loadXMLDoc("inc/node_info.php");
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259 | if(!markerSelected == "")
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260 | {
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261 | markerSelected.setImage("../img/sleutelGroen.png");
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262 | markerSelected = "";
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263 | }
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264 |
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265 | removeAllPolgygons();
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266 |
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267 | }
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268 |
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269 | function removeOtherSelect()
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270 | {
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271 | for(var i=0; i<markerArray.length; i++)
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272 | {
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273 | currentmarker = markerArray[i];
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274 | currentmarker.setImage("../sleutelGroen.png");
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275 | }
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276 | return true;
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277 | }
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278 |
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279 | //Code from w3schools. http://www.w3schools.com/dom/dom_http.asp
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280 | function loadXMLDoc(url, targetDiv)
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281 | {
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282 | xmlhttp=null;
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283 | if (window.XMLHttpRequest)
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284 | {// code for Firefox, Opera, IE7, etc.
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285 | xmlhttp=new XMLHttpRequest();
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286 | }
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287 | else if (window.ActiveXObject)
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288 | {// code for IE6, IE5
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289 | xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
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290 | }
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291 | if (xmlhttp!=null)
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292 | {
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293 | xmlhttp.onreadystatechange=state_Change();
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294 | xmlhttp.open("GET",url,true);
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295 | xmlhttp.send(null);
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296 | }
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297 | else
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298 | {
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299 | alert("Your browser does not support XMLHTTP.");
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300 | }
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301 | }
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302 |
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303 | function state_Change()
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304 | {
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305 | if (xmlhttp.readyState==4)
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306 | {// 4 = "loaded"
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307 | if (xmlhttp.status==200)
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308 | {// 200 = "OK"
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309 | document.getElementById(targetDiv).innerHTML=xmlhttp.responseText;
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310 | }
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311 | else
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312 | {
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313 | alert("Problem retrieving data:" + xmlhttp.statusText);
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314 | }
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315 | }
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316 | }
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317 |
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318 | function loadSuggest(url)
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319 | {
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320 | xmlhttp=null;
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321 | if (window.XMLHttpRequest)
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322 | {// code for Firefox, Opera, IE7, etc.
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323 | xmlhttp=new XMLHttpRequest();
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324 | }
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325 | else if (window.ActiveXObject)
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326 | {// code for IE6, IE5
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327 | xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
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328 | }
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329 | if (xmlhttp!=null)
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330 | {
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331 | xmlhttp.onreadystatechange=state_ChangeSuggest;
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332 | xmlhttp.open("GET",url,true);
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333 | xmlhttp.send(null);
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334 | }
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335 | else
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336 | {
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337 | alert("Your browser does not support XMLHTTP.");
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338 | }
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339 | }
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340 |
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341 | function state_ChangeSuggest()
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342 | {
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343 | if (xmlhttp.readyState==4)
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344 | {// 4 = "loaded"
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345 | if (xmlhttp.status==200)
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346 | {// 200 = "OK"
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347 | document.getElementById("searchlist").innerHTML=xmlhttp.responseText;
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348 | }
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349 | else
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350 | {
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351 | alert("Problem retrieving data:" + xmlhttp.statusText);
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352 | }
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353 | }
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354 | }
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355 |
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356 | function suggestMarkers(value)
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357 | {
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358 | loadSuggest("inc/suggestions.php?value="+value);
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359 | }
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360 |
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361 | function goToMarker(value)
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362 | {
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363 | for(var i=0; i<markerArray.length; i++)
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364 | {
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365 | var name = markerArray[i].getTitle();
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366 |
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367 | if(name == value)
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368 | {
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369 | map.setCenter(markerArray[i].getLatLng(), 15);
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370 | loadXMLDoc("inc/node_info.php?type=single&name="+value+"")
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371 | }
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372 | }
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373 | }
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374 |
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375 | function toggleGoogleSearchMap()
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376 | {
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377 | if(gmap_search_state)
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378 | {
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379 | gmap_search_state = false;
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380 | }
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381 | else
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382 | {
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383 | gmap_search_state = true;
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384 | }
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385 |
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386 | if(gmap_search_state)
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387 | {
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388 | map.enableGoogleBar();
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389 | }
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390 |
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391 | if(!gmap_search_state)
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392 | {
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393 | map.disableGoogleBar();
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394 | }
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395 | }
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396 |
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397 |
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398 |
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