function findJPGs()
{
    var as,i,popjpg;

    as=document.getElementsByTagName('a');

    for(i=0;i<as.length;i++)
    {
        if ( as[i].href.indexOf( ".jpg" ) > 0 )
        {
			popjpg=function()
            {
				var winAttributes='scrollbars=0,location=0,left=0,top=0,width=640,height=480';
                window.open('/inc/popup.asp?pictureURL='+this.href,'',winAttributes);
                return false;
			}
            as[i].onclick=popjpg;
            as[i].onkeypress=popjpg;
		}
    }
}