function winpop(html,winname,width,height){
	pop=window.open(html,winname,'toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=no,width='+ width +',height='+ height);
	pop.focus();
}

function checkall(form){
	var i;
	for(i=0;i<form.elements.length;i++){
		if(form.elements[i].name!='chkall')
			form.elements[i].checked=form.chkall.checked;
	}
}