// 选项卡切换
function searchKey(thisObj,Num,Key){ 
	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";  
		}else{ 
			tabList[i].className = "";  
		} 
	}
} 

// 选项卡切换
function nsTabs(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 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) 
		{ 
			if (i == 0)
			{
			thisObj.className = "active1";  
			}
			else
			{
			thisObj.className = "active";  
			}
			document.getElementById(tabObj+"_Content"+i).style.display = "block"; 
		}else{ 
			if (i == 0)
			{
			tabList[i].className = "normal1";  
			}
			else
			{
			tabList[i].className = "normal";  
			}
			document.getElementById(tabObj+"_Content"+i).style.display = "none"; 
		} 
	}
} 

//加入收藏
function bookmarkit(){
switch(getOs()){
   case 1:
    window.external.addFavorite('http://www.yaopi.net','银屑病医学导航');
   break;
   case 2:
    window.sidebar.addPanel('银屑病医学导航', 'http://www.yaopi.net', "");
   break;
   case 0:
    alert("加入收藏失败，您使用的浏览器不支持这个功能");
   break;
}
}

function getOs() { 
   if(navigator.userAgent.indexOf("MSIE")>0)return 1; 
   if(navigator.userAgent.indexOf("Firefox")>0)return 2; 
   return 0; 
} 


// 检测浏览器
var browser = new Object(); 
function getBrowser() {
    var b = navigator.userAgent.toLowerCase();
    browser = { 
        safari: /webkit/.test(b),
        opera: /opera/.test(b),
        ie6: /msie 6/.test(b) && !/opera/.test(b),
        ie7: /msie 7/.test(b) && !/opera/.test(b),
        msie: /msie/.test(b) && !/opera/.test(b),
        mozilla: /mozilla/.test(b) && !/(compatible|webkit)/.test(b)
    };
}
getBrowser() ;

// 设为首页
function setHomePage(title,url)
{
    if(browser.msie || browser.ie6) {
        document.body.style.behavior='url(#default#homepage)';
        document.body.setHomePage(url);
    }
    else if(browser.mozilla) {
        if(window.netscape)
        {
            try { 
                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); 
            } 
            catch (e) { 
                alert("此项操作已被浏览器拒绝！\n请在浏览器地址栏输入“about:config”并回车\n然后将[signed.applets.codebase_principal_support]设置为'true'"); 
            }
        }

        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
        prefs.setCharPref(title,url);
    }    
}