//****//


function changMtab(index) {
    var nav_ul = $("tab1");
    var arrtag = nav_ul.getElementsByTagName('li');
    var i;
    var len = arrtag.length;
    for (i = 0; i < len; ++i) {
        $("MainTcontent" + i).style.display = "none";
        arrtag[i].className = "";
    }
    $("MainTcontent" + index).style.display = "";
    arrtag[index].className = "on";
}
function Tab_a(n) {
    //tab个数
    var len = 3;
    for (i = 1; i <= len; i++) {
        document.getElementById("tabox_a_" + i).style.display = (i == n) ? "block" : "none";
        document.getElementById("tab_head_a_" + i).style.background = (i == n) ? "url(/Skin/Default/images/lab_on_01.gif)" : "url(/Skin/Default/images/lab_off_01.gif)";
        document.getElementById("tab_head_a_" + i).style.color = (i == n) ? "#333" : "#fff";
        document.getElementById("tab_head_a_" + i).style.fontWeight = (i == n) ? "bold" : "bold";
    }
}
/*
function $() {
    var obj = document.all;
    for (var i = 0; i < obj.length; i++) {
        obj[i].onmouseover = function() {
            this.tmpClass = this.className;
            this.className += " hover";
        }
        obj[i].onmouseout = function() {
            this.className = this.tmpClass;
        }
    }
}



// 浏览器版本判断
var Client = {
	Engine: {'name': 'unknown', 'version': ''},
	Features: {}
};
Client.Features.xhr = !!(window.XMLHttpRequest);
Client.Features.xpath = !!(document.evaluate);
if (window.opera) Client.Engine.name = 'opera';
else if (window.ActiveXObject) Client.Engine = {'name': 'ie', 'version': (Client.Features.xhr) ? 7 : 6};
else if (!navigator.taintEnabled) Client.Engine = {'name': 'webkit', 'version': (Client.Features.xpath) ? 420 : 419};
else if (document.getBoxObjectFor != null) Client.Engine.name = 'gecko';
Client.Engine[Client.Engine.name] = Client.Engine[Client.Engine.name + Client.Engine.version] = true;

 // 获取单个对象
function $1(e){
	var pr=document.getElementById(e);
	pr.onmouseover=function(){
		this.tmpClass=this.className;
		this.className+=" hover";
	}
	pr.onmouseout=function(){
		this.className=this.tmpClass;
	}
}
if(Client.Engine.ie6){
	$1("pr_table");
}

// 获取多个子对象
function $2(e){
	var pr=document.getElementById(e).getElementsByTagName("li");
	for(var i=0;i<pr.length;i++){
		pr[i].onmouseover=function(){
			this.tmpClass=this.className;
			this.className+=" hover";
		}
		pr[i].onmouseout=function(){
			this.className=this.tmpClass;
		} 
	}
}
if(Client.Engine.ie6){
    $2("btn-solution");
}

*/