function ShowImg(sImgPath, width, height, alt)
{
	var scroll = 'no';
	var top=0, left=0;
	if(width > screen.width-10 || height > screen.height-28)
		scroll = 'yes';
	if(height < screen.height-28)
		top = Math.floor((screen.height - height)/2-14);
	if(width < screen.width-10)
		left = Math.floor((screen.width - width)/2);
	width = Math.min(width, screen.width-10);	
	height = Math.min(height, screen.height-28);	
	window.open('/bitrix/tools/imagepg.php?img='+sImgPath+'&alt='+alt,'','scrollbars='+scroll+',resizable=yes, width='+width+',height='+height+',left='+left+',top='+top);
}