function nTabs(thisObj,Num){ 
if(thisObj.className == "active")return; 
var tabObj = thisObj.parentNode.id; 
var tabList = document.getElementById(tabObj).getElementsByTagName("li"); 
for(i=0; i <tabList.length; i++) 
{ 
  if (i == Num) 
  { 
   thisObj.className = "active";  
      document.getElementById(tabObj+"_Content"+i).style.display = "block"; 
  }else{ 
   tabList[i].className = "normal";  
   document.getElementById(tabObj+"_Content"+i).style.display = "none"; 
  } 
}  
} 



function show_intro(pre,pree, n, select_n,css) {
for (i = 1; i <= n; i++) {
var intro = document.getElementById(pre + i);
var cha = document.getElementById(pree + i);
intro.style.display = "none";
cha.className=css + "_off";
if (i == select_n) {
intro.style.display = "block";
cha.className=css + "_on";
}
}
}

function showimg(obj)
{
	obj.style.margin = '2px';
	obj.style.cursor="hand";
	if (obj.width > 460)
	{
		obj.resized = true;
		obj.height = (obj.height/obj.width)*460;
		obj.width = 460;
		obj.alt = '点击图片在新窗口查看大图';
		obj.title = '点击图片在新窗口查看大图';
	}
}

var td_read = false;
var td_ws = new Array();

var thunderpid = 0;
var thundertype = 0;
var thunderpara1 = '';
var thunderpara2 = '';
var thunderpara3 = 0;

function _src()
{	
	/*
	r = "";	
	try {		
		r = top.document.referrer;	
	}	
	catch (e) {		
		try {			
			r = parent.document.referrer;		
		}		
		catch (e) {			
			try {				
				r = document.referrer;			
			}			
			catch (e) {				
				r = "";					
			}		
		}	
	}	
	p = r.indexOf("?");	
	if(-1 == p)		
	p = r.indexOf("&");	
	if(-1 == p)		
		return r;	
	else 		
		return r.substring(0,p);
	*/
	return document.location;
}