chenger_id='chenger';
	img_id='main-im';
function atachetimg()
{
	if(my_ul=document.getElementById(chenger_id))
	{
		var my_ul=document.getElementById(chenger_id);
		a=my_ul.childNodes.length;
		for(i=0;i<a;i++)
		{
			if(my_ul.childNodes[i].nodeType==1)
			{
				my_ul.childNodes[i].childNodes[0].onclick=function()
				{
					if(document.getElementById(img_id))
					{
						img=document.getElementById(img_id)
						img.src=this.rel
					}
						
				}
			}
		}
	}
}
if (window.addEventListener)
	window.addEventListener("load", atachetimg, false);
else if (window.attachEvent)
	window.attachEvent("onload", atachetimg);