function clearAll(){
	document.searchform.product[0].selected = "1";
	checkall('searchform','productid',false);
 }
 function clearAllField(){
	document.forms.searchform.rblookfor[0].checked = false;
	document.forms.searchform.rblookfor[1].checked = false;
	document.searchform.product[0].selected = "1";
	checkall('searchform','productid',false);
 }