function popup(PIC, W, H)
		{
			var X = screen.availWidth;
			var Y = screen.availHeight;
			var winPosX = (X/2) - 180;
			var winPosY = (Y/2) - 100;
			
			var url = 'foto/'+PIC+'.htm'
			
			pop = window.open(url , 'Foto' , 'scrollbars=no,toolbar=no,location=no,status=no,menubar=no,resizable=no,width='+W+',height='+H);
			pop.moveTo(winPosX,winPosY);
		}