function popUp(wid,high,labell,link) {

	labell = window.open(link,labell,"toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width="+wid+",height="+high);
	
	if (labell.closed)
	{
		labell = window.open(link,labell,"toolbar=1,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width="+wid+",height="+high);
	}
	
	else {
		labell.focus();
	}
}

function backButton (){
history.back()
}