function checkAll(){
	for (var i=0;i<document.forms[0].elements.length;i++)
	{
		var e=document.forms[0].elements[i];
		if ((e.name != 'checkall') && (e.type=='checkbox'))
		{
			e.checked=document.forms[0].checkall.checked;
		}
	}
        if(document.forms[0].checkall.checked)
	{
		document.getElementById("labelId").innerHTML=" Uncheck All";
	}
	else if(!document.forms[0].checkall.checked)
	{
		document.getElementById("labelId").innerHTML=" Check All";
	}
}