function ReImgSize(){
	for (i=0; i<document.images.length; i++){
		if (document.all){
			if (document.images[i].width>500){
				document.images[i].width = "500";
				document.images[i].title = "在新窗口打开图片";
				document.images[i].style.cursor = "pointer";
				document.images[i].border = 0;
				document.images[i].onclick = function(e){window.open(this.src);}
			}
		}else{
			if (document.images[i].width>700){
				document.images[i].title = "在新窗口打开图片";
				document.images[i].style.cursor = "pointer";
				document.images[i].border = 0;
				document.images[i].onclick = function(e){window.open(this.src);}
			}
		}
	}
}