function initpage() {
    Event.observe('imgleft', 'click', slideimage);
}
function slideimage() {
    $('header_logo').hide();
    $('bow').hide();
    $('km').hide();
    $('leftimagelist').show();
    new Effect.Move('leftimagelist', {
        x: 656,
        transition: Effect.Transitions.linear,
        afterFinish: hidelist,
        duration: 5
        }
    );
}

Math.randomMax = function(maxVal,asFloat){
	var val = Math.random()*maxVal;
	return asFloat?val:Math.round(val);
}

function hidelist() {
    Effect.Puff('leftimagelist', {afterFinish: hideimg});
    
}
function hideimg() {
    $('img1').src = imgsrc + '/images/run/' + Math.randomMax( 2 ) + '.gif';
    $('header_logo').show();
    $('bow').show();
    $('km').show();    
    $('iau').show();    
    $('leftimagelist').style.left = 23 +'px';
}