var MyObj = document.getElementById("larwgewin");
var MyObjBack = document.getElementById("backwindow");
function showMe(filename) {
	backwindowShow()
	MyObj.innerHTML = "<p align='right'><a onclick='HideMe()' style='cursor:pointer'>Close Me [X]</a></p><table border='10' cellpadding='0' cellspacing='0' bordercolor='#FFFFFF'><tr><td><img src='images/"+filename+"' onclick='HideMe();' style='cursor:pointer' /></td></tr></table>"
	MyObj.style.display="block";
	//MyObj.style.top=getPageScroll() + 
	MyObj.style.top=(getPageScroll()+230)+"px"
	MyObj.style.left=((screen.width/2)-250)+"px";
	document.body.scroll='no';
}
function HideMe(){
	MyObj.style.display="none";
	backwindowHide()
}
function backwindowShow(){
	
	MyObjBack.style.top=0+"px"	
	MyObjBack.style.left=0+"px"	
	//MyObjBack.style.height=document.documentElement.clientHeight+"px";
	MyObjBack.style.height=2502+"px";
	MyObjBack.style.display="block";
}

function backwindowHide(){
	MyObjBack.style.display="none";	
}

MyObjBack.onclick=function (){
		HideMe()
}

function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}
	return yScroll;
}