//----------popup window---------

var newwin;
function ridge(url){
	if(newwin){
		if(!newwin.closed){
			newwin.location.href=url;
			newwin.focus();
		}
		else{
			newwin=window.open(url,'sub','toolbar=0,location=0,direction=0,status=1,menubar=0,scrollbars=0,resizable=1,width=480,height=460');
		}
	}
	else{
			newwin=window.open(url,'sub','toolbar=0,location=0,direction=0,status=1,menubar=0,scrollbars=0,resizable=1,width=480,height=460');
	}
}