//搜索文章
function doSearch()
{
    var key=document.getElementById("KeyWord");
    var url="/search.aspx?";
    
    if(key)
    {
        url+="keyword="+encodeURIComponent(key.value);
    }
	window.location=url;
}

if(document.addEventListener){
//如果是Firefox   
document.addEventListener("keypress",fireFoxHandler, true);   
}else{ 
document.attachEvent("onkeypress",ieHandler);
 }  

function fireFoxHandler(evt){
if(evt.keyCode==13){ 
     doSearch();
}  
}
  
function ieHandler(evt){  
 if(evt.keyCode==13){
    doSearch();
 }  
}