function pop(strToUrl, name, width, height){
	window.open(strToUrl, name, 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width= ' + (width) + ',height=' + (height)+',left='+(screen.width/2-width/2)+',top='+(screen.height/2-height/2));
}