var registeredMPEObjects=new Array();
var openedMPEObjects=new Array();
function sure(item)
{
	return window.confirm("Are you sure you want to delete the "+item+"?");
}
function findMPE(mpeId, l)
{
	for(var i=0;i<l.length;i++)
		if (l[i].mpeId == mpeId)
			return l[i];
	return null;
}
function findMPEIndex(mpeId, l)
{
	for(var i=l.length-1;i>=0;i--)
		if (l[i].mpeId == mpeId)
			return i;
	return -1;
}
function findRMPE(mpeId)
{
	return findMPE(mpeId, registeredMPEObjects);
}
function findOMPE(mpeId)
{
	return findMPE(mpeId, openedMPEObjects);
}
function layoutMPEd(mpeId)
{
//	var mpe = findOMPE(mpeId);
//	if (mpe && !mpe.layoutInterval)
//	{
//		mpe.layoutInterval = window.setInterval("layoutMPE('"+mpeId+"')", 100);
//	}
}
function layoutMPE(mpeId)
{
	var mpe=findRMPE(mpeId);
	if (mpe)
	{
//		var rmpe = $find(mpe.behaviorId);
		//var o=rmpe.targetControlId?document.getElementById(rmpe.targetControlId):null;
		//window.status = 'window.screen.availHeight:'+window.screen.availHeight+';o.clientHeight='+o.clientHeight;
		//if (!o || window.screen.availHeight-100<o.clientHeight)
		//{
			$find(mpe.behaviorId)._layout();
		//}
	}
}
function registerMPE(mpeId, behaviorId, showButtonId, hideButtonId, itemHiddenId, showMPE, onShowScript, onHideScript, targetControl)
{
	if (findRMPE(mpeId))
		window.alert("The modal popup extender '"+mpeId+"' is already registered!");
	var m=new Object();
	m.mpeId = mpeId
	m.behaviorId = behaviorId;
	m.onShowScript = onShowScript;
	m.onHideScript = onHideScript;
	m.showButtonId = showButtonId;
	m.hideButtonId = hideButtonId;
	m.itemHiddenId = itemHiddenId;
	m.showMPE = showMPE;
	m.targetControl = targetControl;
	registeredMPEObjects[registeredMPEObjects.length]=m;
}


function addLoadEvent(func) 
{
	if(window.addEventListener)
		window.addEventListener('load', func, false);
	else if(window.attachEvent)
		window.attachEvent('onload', func);
}
function initUpdatePanelEndRequest()
{
	Sys.WebForms.PageRequestManager.getInstance().add_endRequest(function(sender, e)
	{
		if (openedMPEObjects.length>0)
		{
			var mpe = openedMPEObjects[openedMPEObjects.length-1];
			if (mpe)
			{
				window.setTimeout("preparePngs();", 50);
			
				var m = $find(mpe.behaviorId);
				m.disableTab();
				m._layout();
				var o = document.getElementById($find(mpe.behaviorId)._PopupControlID);
				if (o)
				{
					if (o.offsetTop < 0)
						if (o.runtimeStyle)
							o.runtimeStyle.top = "10px";
						else o.style.top = "10px";
				}
			}
		}
	});
}
addLoadEvent(initUpdatePanelEndRequest);

function setVisibilityForMPE(mpeId, dataKeys, visible)
{
	try
	{

	//window.alert(q.offsetWidth+"/"+q.clientWidth+"/"+q.scrollWidth);
    var mpe=findRMPE(mpeId);

    if (mpe)
    {
		if (mpe.showMPE)
		{
			//DisableScroll=visible;
			var index=findMPEIndex(mpeId, openedMPEObjects);
			if (visible)
			{
				if (index==-1)
				{
					if (mpe.onShowScript)
						window.eval(mpe.onShowScript);
					openedMPEObjects[openedMPEObjects.length]=mpe;
					$find(mpe.behaviorId).show();
					layoutMPEd(mpeId);
				}
				else 
				{
					window.alert("The modal popup extender '"+mpeId+"' is alerady opened!");
					return false;
				}
			}
			else 
			{
			
				if (index!=-1)
				{
					if (mpe.onHideScript)
						window.eval(mpe.onHideScript);
					var last=true;
					if (index!=-1&&index!=openedMPEObjects.length-1)
						last=false;
					openedMPEObjects.splice(index,1);//openedMPEObjects.length-index);
					window.clearInterval(mpe.layoutInterval);
					mpe.layoutInterval=0;
					var aeId = mpe.behaviorId+"_AE";
					var ae = $find(aeId);
					if (ae)
					{
						ae._hiddenHandler();
						//ae._shown._animation.play();
						window.setTimeout("$find('"+mpe.behaviorId+"').hide()", 500);
					}
					else $find(mpe.behaviorId).hide();
					//window.alert(mpe.hideButtonId);
					//window.setTimeout("window.alert(document.getElementById('"+mpe.hideButtonId+"').style.display);",1000);
					if (!last)
					{
						//window.setTimeout("hideMPE(openedMPEObjects["+index+"].mpeId);",100);
					}
				}
				else 
				{
					window.alert("The modal popup extender '"+mpeId+"' is not opened!");
					return false;
				}
			}
		}
		else
		{
			var o=mpe.targetControl?document.getElementById(mpe.targetControl):null;
			
			if (visible)
			{
				if (mpe.onShowScript)
					window.eval(mpe.onShowScript);
		
				if (o)
				{
					o.style.display='block';
					o.style.visibility='visible';
				}
				if (openedMPEObjects.length>0&&openedMPEObjects[openedMPEObjects.length-1].mpeId != mpeId)
					openedMPEObjects[openedMPEObjects.length]=mpe;
			}
			else
			{
				if (mpe.onHideScript)
				{
					window.eval(mpe.onHideScript);
				}
				if (o)
				{
					o.style.display='none';
					o.style.visibility='hidden';
				}
				var index=findMPEIndex(mpeId, openedMPEObjects);
				var last=true;
				if (index!=-1&&index!=openedMPEObjects.length-1)
					last=false;
				if (index!=-1)
					openedMPEObjects.splice(index,1);//openedMPEObjects.length-index);
				if (!last)
				{
					window.setTimeout("hideMPE(openedMPEObjects["+index+"].mpeId);",10);
				}
			}
		}
		if (dataKeys)
		{
			if(document.getElementById(mpe.itemHiddenId))
				document.getElementById(mpe.itemHiddenId).value=dataKeys;
		}
//		if (visible&&document.getElementById(mpe.hideButtonId))
//		{
//			document.getElementById(mpe.hideButtonId).disabled='';
//			document.getElementById(mpe.hideButtonId).style.display='';
//		}
//		window.alert("__doPostBack('m$FC$l$btnShowForm','') || __doPostBack('"+document.getElementById(mpe.showButtonId).name+"','')");
		//window.alert(document.getElementById(mpe.hideButtonId).style.display);
		if(document.getElementById(mpe.showButtonId)&&visible||document.getElementById(mpe.hideButtonId)&&!visible)
			__doPostBack(visible?document.getElementById(mpe.showButtonId).name:document.getElementById(mpe.hideButtonId).name,'');
		//layoutMPE(mpeId);
	}
	else window.alert("The modal popup extender '"+mpeId+"' was not registered!");
    return false;
}
catch(ex)
{
	window.alert("Utility.js: Exception has been thrown: \n"+ex.message);
	throw ex;
}
}

function showMPE(mpeId, dataKeys)
{
	setVisibilityForMPE(mpeId, dataKeys, true);
	return false;
}
function hideMPE(mpeId, dataKeys)
{
	setVisibilityForMPE(mpeId, dataKeys, false);
	return false;
}


function closeMPE()
{
	if (closePopupTimeOut!=0)
	{
		window.clearTimeout(closePopupTimeOut);
	}
	if (openedMPEObjects.length>0)
	{
		//close the latest popup
		closePopupTimeOut=window.setTimeout("closePopupTimeOut=0;hideMPE(openedMPEObjects[openedMPEObjects.length-1].mpeId);",200);
	}
}
var closePopupTimeOut=0;
function OnWindowLoad()
{
	document.onkeydown=function(e)
	{
		if (!e&&window.event)
			e=window.event;
		if (e.which==27||e.keyCode==27)
		{	
			closeMPE();
		}
	}
}
//bind key press event when loading
if(window.addEventListener)
    window.addEventListener('load', OnWindowLoad, false);
else if(window.attachEvent)
    window.attachEvent('onload', OnWindowLoad);



if(typeof(Sys)!=='undefined')Sys.Application.notifyScriptLoaded();