/* ================================================================ 
This copyright notice must be kept untouched in the stylesheet at 
all times.

The original version of this script and the associated (x)html
is available at http://www.stunicholls.com/menu/pro_drop_1.html
Copyright (c) 2005-2007 Stu Nicholls. All rights reserved.
This script and the associated (x)html may be modified in any 
way to fit your requirements.
=================================================================== */
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);
			}
		}
	var getElm = document.getElementById("nav").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);

	function tijiao(type,titleid){
	  	var updateid="";
	  	var t=(type=="单选"?"radio":"checkbox");
	  	var obj=document.getElementsByName("chec");
	  	for(var i=0;i<obj.length;i++){
	  		if(obj[i].type==t&&obj[i].checked==true){
	  		 if(updateid != "") updateid += ",";
	  			updateid+=obj[i].value;
	  			
	  		}
	  	}
	  	if(updateid==""){
	  		alert("请选择一项投票!");
	  		return false;
	  	}
	  	ajaxRequest("surveytitle.do?method=addSurveytitle&survey_id="+titleid+"&item_id="+updateid,show);
	}