// ??????????js
function clear_input(){
	var keyword_input = document.getElementById("keyword").value;
	var keyword_default = document.getElementById("keyword_default").value;

	if(keyword_input == keyword_default){
			document.getElementById("keyword").value ="";	
		}else{
			return true;
			}
	}
function jump_page(){
	var jump_type = document.getElementById('select').value;
	if(jump_type == '1'){
		var search_url = "search.php";
	}else{
		var search_url = "search_shop.php";
	}
	document.search_form.action = search_url;
	document.search_form.target = "_self";
	document.search_form.method = "post";   
}
function GetObj(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 change_div(index,flag)
{
	for(var i=0;i<5;i++)
	{/* max-7 */
		if(GetObj("div"+i)&&GetObj("menu"+i))
		{
			GetObj("div"+i).style.display = 'none';
			GetObj("menu"+i).className = "";
		}
	}
	if(GetObj("div"+index)&&GetObj("menu"+index))
	{
		GetObj("div"+index).style.display = 'block';
		GetObj("menu"+index).className = "Eheaderactive";
	}
}
function change_menu(index,flag)
{
	for(var i=0;i<5;i++)
	{/* max-7 */
		if(GetObj("div"+i)&&GetObj("menu"+i))
		{
			GetObj("div"+i).style.display = 'none';
			GetObj("menu"+i).className = "";
		}
	}
	if(GetObj("div"+index)&&GetObj("menu"+index))
	{
		GetObj("div"+index).style.display = 'block';
		GetObj("menu"+index).className = "Eheaderactive";
	}
}
function change_menu2(index,flag)
{
	for(var i=0;i<5;i++){/* max-7 */
		if(GetObj("div"+i)&&GetObj("menu"+i))
		{
			GetObj("div"+i).style.display = 'none';
			GetObj("menu"+i).className = "";
		}
	}
	if(GetObj("div"+index)&&GetObj("menu"+index))
	{
		GetObj("div"+index).style.display = 'none';
		GetObj("menu"+index).className = "";
	}
}
function change_menu3(index,flag)
{
	for(var i=1;i<6;i++){/* max-7 */
		if(GetObj("rot"+i)&&GetObj("rotp"+i))
		{
			GetObj("rot"+i).className = 'EheaderthirdNo';
			GetObj("rotp"+i).className = "EheaderactiveNo";
		}
	}
	if(GetObj("rot"+index)&&GetObj("rotp"+index))
	{
		GetObj("rot"+index).className = 'EheaderthirdNo';
		GetObj("rotp"+index).className = "EheaderactiveNo";
	}
}

function display_div()
{
	document.getElementById('two').style.display = '';
}

function hid_div()
{
	document.getElementById('two').style.display = 'none';
}

function change_search_type(type)
{
	//type 1:??? 2?????
	if(type == 1)
	{
		document.getElementById('sp_sj').src="images/headbutton_pro.jpg"
		document.getElementById('select').value=1;

	}
	else
	{
		document.getElementById('sp_sj').src="images/headbutton_dian.jpg"
		document.getElementById('select').value=2;

	}
	
	document.getElementById('two').style.display = 'none';

	var head = document.getElementsByTagName('body').item(0);
	var old = document.getElementById('js1');
	if (old) head.removeChild(old);
	
	script = document.createElement('script');

	if(type == 1)
	{
		script.src = 'js/360_sp.js';
	}
	else
	{
		script.src = 'js/360_sj.js';
	}

	script.type = 'text/javascript';
	script.defer = true;
	script.id = 'js1';
	
	void(head.appendChild(script));
}



function SetHome(obj, vrl) {  
    try {  
        obj.style.behavior = 'url(#default#homepage)';  
        obj.setHomePage(vrl);  
    } catch (e) {  
        if (window.netscape) {  
            try {  
                netscape.security.PrivilegeManager  
                        .enablePrivilege("UniversalXPConnect");  
            } catch (e) {  
                alert("此操作被浏览器拒绝！\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]的值设置为'true',双击即可。");  
            }  
            var prefs = Components.classes['@mozilla.org/preferences-service;1']  
                    .getService(Components.interfaces.nsIPrefBranch);  
            prefs.setCharPref('browser.startup.homepage', vrl);  
        }  
    }  
}    

function showDiv(tag,content,id,num,Eheaderactive,Eheaderthird)
{
	for(i=1;i<num;i++) 
	{
	  if (i==id) 
	  {
		document.getElementById(tag+i).className=Eheaderactive+"On";
		document.getElementById(content+i).className=Eheaderthird+"On";
	  }
	  else 
	  {
		document.getElementById(tag+i).className=Eheaderactive+"No";
		document.getElementById(content+i).className=Eheaderthird+"No";
	  }
	}
}
//document.getElementById(tag+i).className="mendOn";

//--------------------------------liao------------------------------

function jump_search_page()
{
	var kword=document.getElementById('keyword').value;
	
	if(kword.trim()=="")
	{
		alert("请输入关键词！");
		return false;
	}
	else
	{
		var sform=document.getElementById('search_form');
		sform.action="search.php";
		sform.target = "_self";
		sform.method = "post"; 
		sform.submit();
	}
}

String.prototype.trim = function()
{
var reExtraSpace = /^\s*(.*?)\s+$/;
return this.replace(reExtraSpace,"$1");
}

//-------------------------------------------------------------------