// display_mapidentify.js

// Set up Identify tool
function MapIdentify(divid) {
    map = Maps[divid];
    MapPoint(map.controlName, "MapIdentify", false);
    map.divObject.onmousedown = MapIdClick;
}

// Event handler for Identify
function MapIdClick(e) {
    map.cursor = map.divObject.style.cursor;
	getXY(e);
	var box = calcElementPosition(map.containerDivId);
	zleft = mouseX - box.left;
	ztop = mouseY - box.top;

	map.xMin=zleft;
	map.yMin=ztop;
	var div = document.getElementById("IdentifyLocation");
	if (div==null) {
	    addIdentifyLocation();
	}
	map.getTopLeftTile();
	
    portal.showIdentDialog();

	var message = "MapIdentify,ControlID=mainMap&ControlType=Map&EventArg=MapIdentify&mainMap_mode=MapIdentify&minx=" + zleft + "&miny=" + ztop;
	var context = map.controlName;
	WebForm_DoCallback('__Page',message,processIdentifyCallbackResult,context,postBackError,true) ;
	div = document.getElementById("IdentifyLocation");
	// point is bottom center... 2 pixels up for shadow
	var cWidth = Math.floor(div.clientWidth / 2);
	var cHeight = div.clientHeight;
	// width and height might not be available on first time.... if so, approximate size needed
	if (cWidth==0) cWidth = 12;
	if (cHeight==0) cHeight = 29;
	var idLeft = zleft - parseInt(map.divObject.style.left) - cWidth;
	var idTop = ztop - parseInt(map.divObject.style.top) - cHeight + 2; // add two back for icon bottom
	
	window.setTimeout('moveLayer("IdentifyLocation", ' + idLeft + ', ' + idTop + '); showLayer("IdentifyLocation");', 0);
	map.mode = map.tempMode;
	map.actionType = map.tempAction;
	map.cursor = map.tempCursor;
	return false;
}

function addIdentifyLocation() {
    var content = '<div id="IdentifyLocation" style="position: absolute; left: 0px; top: 0px; visibility: hidden;">';
    if (isIE  && ieVersion < 7) 
	    content += '<img src="images/blank.gif" alt="" border="0"  hspace="0" vspace="0" style="filter:  progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'images/identify-map-icon.png\');" />\n';
	else
	    content += '<img src="images/identify-map-icon.png" alt="" border="0"  hspace="0" vspace="0" />\n';
    content += '</div>';
    map.overlayObject.insertAdjacentHTML("BeforeEnd", content);
}