function winpop(url,X,Y){
	newwindow=window.open(url,'name','toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,left='+(screen.width-X)/2+',top='+(screen.height-Y)/2+',width='+X+',height='+Y+'');
	if (window.focus) {
		newwindow.focus();	
	}
}