//xiaoz 09-07-13 00:00 修改

function showHeadOver(obj){
	obj.src=obj.src.replace(".gif","Over.gif");
}

function showHeadOut(obj){
	obj.src=obj.src.replace("Over","");
}

function GetExp(){
	var request = "IE";
	if(document.implementation && document.implementation.createDocument) {
		request = "FF";
	} else if(window.ActiveXObject) {
		request = "IE";
	}
	return request;
}
var Exp = GetExp();
function addOnload(fn){
	if(typeof(fn) != 'function') return false;
	var _onload = (window.onload && typeof(window.onload) == 'function') ? window.onload : null;
	window.onload = function(){if(_onload)_onload();fn();};
}
function $(objName){
	if(document.getElementById){
		return eval('document.getElementById("' + objName + '")');
	}else if(document.layers){
		return eval("document.layers['" + objName +"']");
	}else{
		return eval('document.all.' + objName);
	}
}

//==============================================================
function changeRegImg()
{
	$("regimg").src = "/Program/checkregcode.asp?"+Math.random();
}

function GetLink(txt){
	var o=new Object();
	o.requestUrl = function(){
		var url=location.href;
		return url;
	}
	o.requestUrlStr=function(){
		var url=o.requestUrl();
		var r = null;
		if(url.indexOf('?') <0){
			return r;
		}else{
			var sp=url.split('?');
			return sp[1];
		}
	}
	o.requestStr=function(str){
		var url=o.requestUrlStr();
		if(url!=null){
			var p=null;
			if(url.indexOf('&') <0){
				if(url.indexOf('=')>=0){
					p=url.split('=');
					if(p[0]==str)return p[1];
				}
			}else{
				p=url.split('&');
				for(var i=0;i<p.length;i++){
					if(p[i].indexOf('=')>=0){
						var j=p[i].split('=');
						if(j[0]==str)return j[1];
					}
				}
			}
		}
	}
	switch(txt){
		case "getUrl":return o.requestUrl();break;
		case "getUrlStr":return o.requestUrlStr();break;
		default:return o.requestStr(txt);break;
	}
}