var running=true;
var kv=5;
var kv_current=1;
var kv_timer;
var tmptimer2;


// universal switch between tabs
function uswitch(idx,total,point)
{
	var obj,i;
	for (i=1;i<=total ;i++ )
	{
		obj=document.getElementById(idx+i);
		obj.style.display="none";
	}
	obj=document.getElementById(idx+point);
	obj.style.display="block";
}


// first grade page boot
function boot()
{
	kv_timer=setTimeout("kv_loop()",2000);
}


// switch between Key Visuals
function kv_loop()
{
	if (running==false)
	{
		clearTimeout(kv_timer);
		return false;
	}
	kv_current++;
	if (kv_current==kv+1) kv_current=1;
	var cname="kv"+kv_current;
	//隐藏所有图片，显示指定图片
	$("div[name^='kp']").css("display","none");
	$("#kp"+kv_current).css("display","");
	var obj=document.getElementById("kv_box_left");
	obj.className=cname;
	
	for (var i=1;i<=kv;i++ )
	{
		document.getElementById("kv"+i).className="unselected";
	}
	document.getElementById(cname).className="selected";
	kv_timer=setTimeout("kv_loop()",8000);
	
}

function kv_start()
{
	 running=true;
	 clearTimeout(tmptimer2);
	 tmptimer2=setTimeout("kv_loop()",3000);
}


function  kvswitch(idx)
{
	running=false;
	clearTimeout(kv_timer);	
	for (var i=1;i<=kv ;i++ )
	{
		document.getElementById("kv"+i).className="unselected";
	}
	kv_current=idx;
	var cname="kv"+idx;
	var obj=document.getElementById("kv_box_left");
	obj.className=cname;
	//隐藏所有图片，显示指定图片
	$("div[name^='kp']").css("display","none");
	$("#kp"+idx).css("display","");
}


// second page boot
function secondboot()
{
   var obj=document.getElementById("nav_panel_content");
   var obj1=document.getElementById("nav_panel_content1");
   obj.innerHTML=obj1.innerHTML;
}


// second page navigation bar
function nav(obj,idx)
{
   var obj1=document.getElementById("nav_panel_content");
   var obj2=document.getElementById("nav_panel_content"+idx);
   obj1.innerHTML=obj2.innerHTML;
   for (var i=1;i<=7 ;i++ )
   {
	   document.getElementById("nav_tab"+i).className="";
   }
   obj.className="selected";
}


// product compare
function compare_delete(obj)
{
   var obj1=obj.parentNode;
   var obj2=obj1.parentNode;
   obj2.removeChild(obj1);
   
   /** xuchao add by 20100822 start*/
   var clDiv=document.getElementById("compare_list");
   var compareDiv=document.getElementById("compare");
   if(clDiv.childNodes.length==0){
   		compareDiv.style.display="none";
   }
   /** xuchao add by 20100822 end*/
}

// product add
function compare_add(idx,dname)
{
	/** xuchao add by 20100822 start*/
	var compareDiv=document.getElementById("compare");
	if(compareDiv.style.display=="none"){
		compareDiv.style.display="block";
	}
	/** xuchao add by 20100822 end*/
	
	var obj=document.getElementById("compare_list");
	var str=obj.innerHTML;
	var test = $("input[value="+idx+"][name='productIds']").val();
	var compareNumber = $("div[class = 'compare_box']").length;
	if(compareNumber <5){
		if(test == null){
			str="<div class=\"compare_box\"><input type=\"hidden\" name=\"productIds\" value=\""+idx+"\" />" + dname + "<img src=\"../images/frontPage/close.gif\" onclick=\"compare_delete(this)\" alt=\"移除\" /></div>"+str;			
		}
		obj.innerHTML=str;
	}else{
		alert("最多支持5个商品比较");
	}
}


// third grade kv gallery switch
function trb_gallery(idx)
{
   document.getElementById("trb_big").src="images/trb_big"+idx+".jpg";
   for (var i=1;i<=5 ;i++ )
   {
	   document.getElementById("trb_tab"+i).className="";
   }
   document.getElementById("trb_tab"+idx).className="selected";
}

function trb_gallery(idx,size,imageURL)
{
   document.getElementById("trb_big").src=imageURL;
   document.getElementById("jqzoom_title").href=imageURL;
   
   for (var i=1;i<=size ;i++ )
   {
   	
	   if(i==idx){
	   	   
	       document.getElementById("trb_tab"+idx).className="selected";
	       
	   }else{
	   
	   	  document.getElementById("trb_tab"+i).className="";
	      
	   }
   }
   document.getElementById("trb_tab"+idx).className="selected";
}