function ReImgSize(obj){ 
var imgArr=document.getElementById(obj).getElementsByTagName("IMG"); 
for (i=0;i<imgArr.length;i++) 
{ 
if (document.all) 
{ 
if (imgArr[i].width>600) 
{ 
imgArr[i].width="600" 
imgArr[i].outerHTML='<a href="'+imgArr[i].src+'" target="_blank" title="在新窗口打开图片">'+imgArr[i].outerHTML+'</a>' 
} 
} 
else 
{ 
if (imgArr[i].width>600) 
{ 
imgArr[i].title="在新窗口打开图片" 
imgArr[i].style.cursor="pointer" 
imgArr[i].onclick=function(e){window.open(this.src)} 
} 
} 
} 
} 
ReImgSize("content"); 
function ReHeight(){
var a_height=document.getElementById("newby").offsetHeight+44;
if (a_height<800)
{
document.getElementById("newby").style.height="800px";
}
document.getElementById("nav").style.height=document.getElementById("new").offsetHeight+"px";
document.getElementById("hot").style.height=document.getElementById("new").offsetHeight+"px";
document.getElementById("nav2").style.height=document.getElementById("new").offsetHeight+"px";
 if (document.getElementById("nav").offsetHeight>=1000)
 {
	 document.getElementById("nav2").style.height=1000+"px";
 }

}