function setHeight(pagecenter,leftnav, middlecontent, right)
{
	var pagecenter = document.getElementById(pagecenter);
	var leftnav = document.getElementById(leftnav);
	var middlecontent = document.getElementById(middlecontent);
    var right = document.getElementById(right);

	pagecenter.style.height = 'auto';
	leftnav.style.height = 'auto';
	middlecontent.style.height = 'auto';
	right.style.height = 'auto';
	
	var x = pagecenter.offsetHeight;
	var y = leftnav.offsetHeight;
	var z = middlecontent.offsetHeight;
	var a = right.offsetHeight;
	
	if(y < x && a < x)
	{
		leftnav.style.height = x  +  "px";
		middlecontent.style.height = x  +  "px";		
		//first.style.height  = x + "px";
	}
	
	else if(x < y && a < y)
	{
		pagecenter.style.height = y + "px";
		middlecontent.style.height=y + "px";		
		//second.style.height = y + "px";
	}
		
	else if(x < a && y < a)
	{
	    leftnav.style.height = a + "px";
	    pagecenter.style.height = a + "px";
	    middlecontent.style.height  = a + "px";
	}
	
}