function getScrollY(){
 	if(typeof(window.pageYOffset ) == "number"){
    	return window.pageYOffset;
  	}
	else if(document.body && document.body.scrollTop){
    	return document.body.scrollTop;
  	}
	else if(document.documentElement && document.documentElement.scrollTop){
    	return document.documentElement.scrollTop;
  	}
	else{
		return 0;	
	}
}

function getHeight(){
	if(typeof(window.innerHeight) == "number") {
		return window.innerHeight;
	}
	else if(document.documentElement && document.documentElement.clientHeight){
		return document.documentElement.clientHeight;
	}
	else if(document.body && document.body.clientHeight){
		return document.body.clientHeight;
	}
	else{
		return 0;	
	}
}

function imagepopup(popupfile, popuptext){
	parent.popupframe.document.getElementById("popupimg").innerHTML = "<img src='"+ popupfile +"' height='"+ getHeight()/1.25 +"' alt='' border='' />";
	parent.popupframe.document.getElementById("popupdsc").innerHTML = popuptext;
	if(popuptext !== ""){
		parent.popupframe.document.getElementById("popupdsc").style.paddingTop = "10px";
	}
	else{
		parent.popupframe.document.getElementById("popupdsc").style.paddingTop = "0px";
	}
	document.getElementById("popupframe").style.width = "100%";
	document.getElementById("popupframe").style.height = getHeight() + "px";
	document.getElementById("popupframe").style.top = getScrollY() + "px";
	document.getElementById("popupframe").style.display = "block";
}