//var checkflag = "false";
function check()
{
	for (j = 0; j < document.form1.elements.length; j++)
	{	
		//var i;
		if (eval(document.form1.id_list.checked))
		{
			for (i=0;i<document.form1.elements.length;i++)
				document.form1.elements[i].checked=true;
			//LL(document.form1.id_list); 
			//return "Uncheck All";
		} 
		else
		{ 
			for(i=0;i<document.form1.elements.length;i++)
				document.form1.elements[i].checked=false;
			//UU(document.form1.id_list); 
			//return "Check All";
		} 
	}
}
//function LL(field){field.disabled=true;}
//function UU(field){field.disabled=false;}