function doNavOver(o){
	 o.className="nav_current";
	 
	 var j;
	 var id;
	 var e;
	
	 for(var i=1;i<=10;i++){
		id ="nav"+i;
		j = document.getElementById(id);
		e = document.getElementById("sub"+i);
		if(id != o.id && j.className!='nav_current'){
			j.className="nav_link";
		}else{
		}
	 }
}

function doNavOut(o){
	o.className="nav_link";
}
function defaultNav(cd){
	 var j;
	 var id;	
	 for(var i=1;i<=10;i++){
		id ="nav"+i;
		j = document.getElementById(id);
		if(id != cd){
			j.className="nav_link";
		}else{
			j.className="nav_current";
		}
	 }	
}

function doProductOver(o){
	 o.className="nav_current";
	 
	 var j;
	 var id;
	 var e;
	
	 for(var i=1;i<=3;i++){
		id ="productnav"+i;
		j = document.getElementById(id);
		e = document.getElementById("productsub"+i);
		if(id != o.id ){
			j.className="nav_link";
			e.style.display = "none";
		}else{
			e.style.display = "block";
		}
	 }
}

function doProductOut(o){
	o.className="nav_current";
}

function checkform(){
	if (document.loginbox.userid.value.length ==0){
		alert("您没有填写用户名。");
		document.loginbox.userid.focus();
		return false;
	}
	if (document.loginbox.password.value.length==0){
		alert("您没有填写密码。");
		document.loginbox.password.focus();
		return false;
	}
	return true;
}	

//=点击搜索展开关闭效果=
function openShutManager(oSourceObj,oTargetObj,shutAble,oOpenTip,oShutTip){
var sourceObj = typeof oSourceObj == "string" ? document.getElementById(oSourceObj) : oSourceObj;
var targetObj = typeof oTargetObj == "string" ? document.getElementById(oTargetObj) : oTargetObj;
var openTip = oOpenTip || "";
var shutTip = oShutTip || "";
if(targetObj.style.display!="none"){
   if(shutAble) return;
   targetObj.style.display="none";
   if(openTip  &&  shutTip){
    sourceObj.innerHTML = shutTip; 
   }
} else {
   targetObj.style.display="block";
   if(openTip  &&  shutTip){
    sourceObj.innerHTML = openTip; 
   }
}
}