// JavaScript Document
document.getElementById('middle').innerHTML ='<iframe frameborder="0" scrolling="no" width="100%" height="300" name="ifr" id="ifr" ></iframe>'
var IFrameObj;
IFrameObj = frames['ifr'];

function openpopup(url,w,h,heading){
  var arrayPageSize = getPageSize();
  var top =10;
  document.getElementById('overlay').style.display ='block';
  document.getElementById('popcontent').style.display ='block';
  document.getElementById('popcontent').style.top = top+'px';
  
  document.getElementById('middle').style.width = w+"px";
  document.getElementById('middle').style.height = h+"px";  
  
  document.getElementById('ifr').style.height = h+"px";
  IFrameObj.location.href=(url);
}
function closeme(){
  document.getElementById('overlay').style.display ='none';
  document.getElementById('popcontent').style.display ='none';
}

function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}

	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}