var currentItem = "";
var currentSubItem="";
var startAction = false;
var coordinates = new Object();
var onMenu = false;
var onButton = false;

function hideMenu(menuName) { 
    
	document.getElementById('backdrop').style.visibility = "hidden";
	document.getElementById(menuName).style.visibility="hidden"; 
	
	
	
}

function hideSubMenu(menuName) {
	document.getElementById(menuName).style.visibility="hidden";
	document.getElementById(menuName).style.display="none";   
	
}

function showMenu(menuName) {

	if(startAction)
	{			
		document.getElementById('backdrop').style.visibility = "visible";
		document.getElementById(menuName).style.visibility="visible";
		//document.getElementById(menuName).style.display="block";
	    currentItem = menuName;	  
  }
}

function showSubMenu(menuName) {
		
		document.getElementById('backdrop').style.visibility = "visible";
		document.getElementById(menuName).style.visibility="visible";
		document.getElementById(menuName).style.display="block";
		currentSubItem = menuName;
}



/* set positions for all browsers */
function thisDetails() {
	
		get_element('backdrop').style.left = parseInt(coordinates.x)+0+"px"; 
	    get_element('backdrop').style.top = parseInt(coordinates.y)+0+"px";  
		
		get_element('drop_beInspired').style.left = parseInt(coordinates.x)+64+"px"; 
	    get_element('drop_beInspired').style.top = parseInt(coordinates.y)+0+"px";  
		
		get_element('drop_beInvolved').style.left = parseInt(coordinates.x)+151+"px"; 
	    get_element('drop_beInvolved').style.top = parseInt(coordinates.y)+0+"px";  
		
		get_element('drop_learnMore').style.left = parseInt(coordinates.x)+235+"px"; 
	    get_element('drop_learnMore').style.top = parseInt(coordinates.y)+0+"px"; 
		
		get_element('drop_campaign').style.left = parseInt(coordinates.x)+521+"px"; 
	    get_element('drop_campaign').style.top = parseInt(coordinates.y)+0+"px";  
		
}

function getAnchorPosition(anchorname) {
	
	// This function will return an Object with x and y properties
	var useWindow=false;
	var x=0,y=0;
	// Browser capability sniffing
	var use_gebi=false, use_css=false, use_layers=false;
	if (document.getElementById) { use_gebi=true; }
	else if (document.all) { use_css=true; }
	else if (document.layers) { use_layers=true; }
	// Logic to find position
 	if (use_gebi && document.all) {
		x=AnchorPosition_getPageOffsetLeft(document.all[anchorname]);
		y=AnchorPosition_getPageOffsetTop(document.all[anchorname]);
		}
	else if (use_gebi) {
		var o=document.getElementById(anchorname);
		x=AnchorPosition_getPageOffsetLeft(o);
		y=AnchorPosition_getPageOffsetTop(o);
		}
 	else if (use_css) {
		x=AnchorPosition_getPageOffsetLeft(document.all[anchorname]);
		y=AnchorPosition_getPageOffsetTop(document.all[anchorname]);
		}
	else if (use_layers) {
		var found=0;
		for (var i=0; i<document.anchors.length; i++) {
			if (document.anchors[i].name==anchorname) { found=1; break; }
			}
		if (found==0) {
			coordinates.x=0; coordinates.y=0; return coordinates;
			}
		x=document.anchors[i].x;
		y=document.anchors[i].y;
		}
	else {
		coordinates.x=0; coordinates.y=0; return coordinates;
		}
	coordinates.x=x;
	coordinates.y=y;
    thisDetails();
    startAction = true;	
	return coordinates;
}

// Functions for IE to get position of an object
function AnchorPosition_getPageOffsetLeft (el) {
	var ol=el.offsetLeft;
	while ((el=el.offsetParent) != null) { ol += el.offsetLeft; }
	return ol;
}
function AnchorPosition_getWindowOffsetLeft (el) {
	return AnchorPosition_getPageOffsetLeft(el)-document.body.scrollLeft;
}	
function AnchorPosition_getPageOffsetTop (el) {
	var ot=el.offsetTop;
	while((el=el.offsetParent) != null) { ot += el.offsetTop; }
	return ot;
}
function AnchorPosition_getWindowOffsetTop (el) {
	return AnchorPosition_getPageOffsetTop(el)-document.body.scrollTop;
}

get_element = document.all ?
	function (s_id) { return document.all[s_id] } :
	function (s_id) { return document.getElementById(s_id) };

window.onresize = function(){getAnchorPosition("setPoint");}