/* Popup */
function openWindow(url,w,h,pos) {
	if(url != null) {
		window.name="Popup";
		
		if(pos=="random") {
			LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;
			TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;
		}
		if(pos=="center") {
			LeftPosition=(screen.width)?(screen.width-w)/2:100;
			TopPosition=(screen.height)?(screen.height-h)/2:100;
		}
		if(pos=="right") {
			LeftPosition=(screen.width)?(screen.width-w-15):100;
			TopPosition=(screen.height)?(screen.height-h-65):100;
		}
		else if((pos!="center" && pos!="random") || pos==null) {
			LeftPosition=0;TopPosition=20
		}
		
		settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',location=no,titlebar=no,scrollbars=yes,directories=no,status=no,menubar=no,toolbar=no,resizable=yes';
		openPopUp = window.open(url,'imagegallery',settings);
		openPopUp.focus();
		
	}
}