var winimage;
function clickEnlarge(imageid, iwidth, iheight){
	iwidth+=50;
	iheight+=100;
	winimage=window.open('viewimage.php?id='+imageid,'winimage','width='+iwidth+',height='+iheight+',left=50,top=50,resizable,scrollbars');
	if(winimage==null){
		alert('You will have to enable pop-up windows for our website\nbefore the image can be shown');
	}
	else{
		winimage.resizeTo(iwidth, iheight+100);
		winimage.focus();
	}
}
function dounload(){
	if(typeof(winimage)!='undefined' && winimage.closed==false){
		winimage.close();
	}
}