function getLongest() {
 	colLength = new Array(2);
 	colLength[0] = document.getElementById("copy").offsetHeight;
 	colLength[1] = document.getElementById("quick_contact").offsetHeight;
 	colLength[2] = document.getElementById("left_id").offsetHeight+100;
	colLength.sort();
	colLength.reverse();
 	return colLength[0];
}

function setheight()
{ 
var heightw=getLongest();
if (heightw>1800) 
{ heightw=heightw+50;
 document.getElementById('copy').style.height=heightw-100+"px";
 document.getElementById('quick_contact').style.height=heightw-100+"px";
 document.getElementById('left_id').style.height=heightw+"px";
 document.getElementById('footer').style.top=heightw+160+"px";
}
else
{
document.getElementById('copy').style.height="1800px";
 document.getElementById('quick_contact').style.height="1700px";
 document.getElementById('left_id').style.height="1800px";
document.getElementById('footer').style.top = "1900px";
}
}