function queryString( key ) {
	var href = window.location.search;
	var lhref = href.toLowerCase();

	var pos = lhref.indexOf( key + "=" );
	if (pos==-1) return null;

	var next = lhref.indexOf( "&", pos );
	var value = href.substring( pos + key.length + 1, (next==-1) ? 999 : next );

	return value;
}
function getUrl()
{
	var url = window.location.href;
	var search =  window.location.search;
	return url.replace(search,'');
}