function getimage(imgurl,size)
{
	var slen = imgurl.indexOf(".");
	var elen = imgurl.lastIndexOf("_");
	//alert(imgurl.substring(0,imgurl.length-1) )
	var reimgurl = imgurl.substring(0,elen)+ size +  imgurl.substring(slen,imgurl.length);
	return reimgurl;
}