function PopUp(URL){
    var ScreenWidth=window.screen.width;
    var ScreenHeight=window.screen.height;
    var movefromedge=0;
    w= 600; //(ScreenWidth * 80)/100;
    h= 600; //(ScreenHeight * 80)/100;
    placementx=(ScreenWidth/2)-((w)/2);
    placementy=(ScreenHeight/2)-((h+50)/2);
    var PopUpUrl=URL;
    WinPop=window.open(PopUpUrl,"","width="+w+",height="+h+",toolbar=0,location=0,directories=0,status=0,scrollbars=0,menubar=0,resizable=0,  left="+placementx+",top="+placementy+",screenX="+placementx+",screenY="+placementy+",");
   }
   function obreFactura(URL){
    var ScreenWidth=window.screen.width;
    var ScreenHeight=window.screen.height;
    var movefromedge=0;
    w= 650 //(ScreenWidth * 80)/100;
    h= (ScreenHeight * 80)/100;
    placementx=(ScreenWidth/2)-((w)/2);
    placementy=(ScreenHeight/2)-((h+50)/2);
    var PopUpUrl=URL;
    WinPop=window.open(PopUpUrl,"","width="+w+",height="+h+",toolbar=0,location=0,directories=0,status=0,scrollbars=1,menubar=1,resizable=1,  left="+placementx+",top="+placementy+",screenX="+placementx+",screenY="+placementy+",");
   }