var Url=location.hostname;
var path=location.href; 

switch(Url){
		
	default:
	if(path.indexOf(".html")!=-1||path.indexOf(".jsp")!=-1||path.indexOf(".do")!=-1){
	document.write("<script type='text/javascript' src='/union/zhikao_head_CN.js'></script>");
		}else{
	document.write("<script type='text/javascript' src='/union/zhikao_head_CN.js'></script>");
		 }
	break;
}