function positionImages(){
	
	var dls = document.getElementsByTagName("dl");		
	
	if (dls.length >= 1){				
		
		var imgs = dls[0].getElementsByTagName("img");					
		
		for (var i = 0; i < imgs.length; i++){
			var img = new Image();
		
			img.src = imgs[i].getAttribute("src");						
		
			if (img.width < 20){
				//propably a smilie
			}
			else{				
				if (img.width > 250){										
					imgs[i].setAttribute("class", "mid");
					imgs[i].setAttribute("className", "mid");																				
					
					var m = (510 - img.width)/2;										
					
					imgs[i].setAttribute("style", "margin-left: "+m+"px");										
					imgs[i].style.marginLeft = m+"px";															
				}
				else
				{
					imgs[i].setAttribute("class", "left");
					imgs[i].setAttribute("className", "left");																				
				}	
			}																											
		}										
	}
}