// javascript document
//主菜单
startlist = function() {
if (document.all&&document.getelementbyid("menu_list")) {
navroot = document.getelementbyid("menu_list");
for (i=0; i<navroot.childnodes.length; i++) {
node = navroot.childnodes[i];
if (node.nodename=="li") {
node.onmouseover=function() {
this.classname+=" over";
}
node.onmouseout=function() {
this.classname=this.classname.replace(" over", "");
}
}
}
}
}
window.onload=startlist;



//让ie6支持li:hover
stuhover = function() { 
var cssrule; 
var newselector; 
for (var i = 0; i < document.stylesheets.length; i++) 
   for (var x = 0; x < document.stylesheets[i].rules.length ; x++) 
    { 
    cssrule = document.stylesheets[i].rules[x]; 
    if (cssrule.selectortext.indexof("li:hover") != -1) 
    { 
     newselector = cssrule.selectortext.replace(/li:hover/gi, "li.iehover"); 
     document.stylesheets[i].addrule(newselector , cssrule.style.csstext); 
    } 
   } 
if(document.getelementbyid("product")){   
var getelm = document.getelementbyid("product").getelementsbytagname("li"); 
for (var i=0; i<getelm.length; i++) { 
   getelm[i].onmouseover=function() { 
    this.classname+=" iehover"; 
   } 
   getelm[i].onmouseout=function() { 
    this.classname=this.classname.replace(new regexp(" iehover\\b"), ""); 
   } 
} 
}
} 
if (window.attachevent) window.attachevent("onload", stuhover);