function adjustWidths()
	{
	screenW = document.body.clientWidth;

	myHeaderTable		= document.getElementById("HeaderTable");
	myBodyTable			= document.getElementById("BodyTable");
	myFooterTable		= document.getElementById("FooterTable");

	if (screenW > 1279)
		{
		myHeaderTable.style.width	= 1200;
		myBodyTable.style.width		= 1200;
		myFooterTable.style.width	= 1200;
		}
	else
		{
		if (screenW < 1024)
			{
			myHeaderTable.style.width	= 755;
			myBodyTable.style.width		= 755;
			myFooterTable.style.width	= 755;
			}
		else
			{
			myHeaderTable.style.width	= 980;
			myBodyTable.style.width		= 980;
			myFooterTable.style.width	= 980;
			}
		}
	}
	
function validate_form() {
		var your_name=document.getElementById('your_name');
		var your_email=document.getElementById('your_email');
		var friend1=document.getElementById('friend_1');
		var vfy_code=document.getElementById('vfy_code');

		//alert(usertype.value);

		if ((your_name.value==null)||(your_name.value=="")) {
		    alert("Please Enter Your Name.");
		    your_name.focus();
		    return false;
		}
		
		if ((vfy_code.value==null)||(vfy_code.value=="")) {
		    alert("Please Enter Verification Code.");
		    vfy_code.focus();
		    return false;
		}
		
		with (your_email) {
		    var apos = value.indexOf("@")
		    var dotpos = value.lastIndexOf(".")
		    if (apos < 1 || dotpos - apos < 2) {
		        alert("Please Enter Your Valid Email ID");
		        your_email.focus();
		        return false;
		    }
		}
		
		with (friend1) {
		    var apos = value.indexOf("@")
		    var dotpos = value.lastIndexOf(".")
		    if (apos < 1 || dotpos - apos < 2) {
		        alert("Please Enter Your Friend's Valid Email ID");
		        friend1.focus();
		        return false;
		    }
		}
		//return true;
		document.getElementById("data_form").submit();
}