function Popup(url) {if (window.screen.height >= 768) {h = 710 ; } if (window.screen.height == 600) {h = 540 ; } if (window.screen.height == 480) {h = 420 ; } if (window.screen.width >= 1024) {w = 670 ; } if (window.screen.width == 800)  {w = 550 ; } if (window.screen.width == 640)  {w = 400 ;	}le = window.screen.width - w - 30 ;ventana=window.open(url,'_blank','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width='+w+',height='+h+',left='+le+',top=0') ; ventana.focus() ; }
function PopupXY(url,x,y,w,h) { ventana=window.open(url,'popup','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width='+w+',height='+h+',left='+x+',top='+y) ; ventana.focus() ; }