function get_sitenum(sn)
{
	var start = 0; //where to start to get the number i.e. pic4 (start at char 3)
	for (num=sn.length; num>0; num--)
	{
		if (isNaN(parseFloat(sn.substring(num,sn.length))))
		start=num;
		else num=0;
	}
	return parseFloat(sn.substring(3,sn.length));
}

function getObj(idvalue) {
return document.getElementById(idvalue);
}