function pop(desktopURL,sizeX,sizeY,Menubar) {
	LeftAl = 35;
	if(sizeX == undefined) sizeX = 500;
	if(sizeY == undefined) sizeY = 500;
	var desktop = window.open(desktopURL,'_blank','toolbar=no,location=no,status=no,menubar='+Menubar+',scrollbars=yes,resizable=yes,left=35,screenX='+LeftAl+',top=35,screenY=35,width='+ sizeX +',height='+ sizeY);
}