function imgSize(){
	var imgs=document.getElementsByTagName("img");
	var err;
	for(var i=0;i<imgs.length;i++){
		var check_img = new Image();
		var src=imgs[i].getAttribute("src");		//err+=src+"   ";
		var o_w=imgs[i].getAttribute("width");		//err+=o_w+"   ";
		if(o_w == "160"){
			check_img.src=src;
			var or_w=check_img.width;		//err+=or_w+"   ";
			var or_h=check_img.height;		//err+=or_h+"   ";
			var new_w=160;
			var new_h=or_h/(or_w/160);
			new_h=Math.round(new_h);
			if(imgs[i] != "undefined"){
			imgs[i].setAttribute("height",new_h);
			}

		}
	}
//	document.getElementById("msg").innerHTML=err;
}