function Check_ImgType(str,o) 
{
    var pos = str.lastIndexOf(".");
    var lastname = str.substring(pos,str.length);
   
    if (lastname.toLowerCase()!=".gif"&&lastname.toLowerCase()!=".jpg"&&lastname.toLowerCase()!=".png")
    { 
          o.outerHTML = o.outerHTML;
          alert("Please Input (.gif.jpg,.png) Type ");
         return false;
    }  
    return true;
}
function Check_ExcelType(str,o) 
{
    var pos = str.lastIndexOf(".");
    var lastname = str.substring(pos,str.length);
   
    if (lastname.toLowerCase()!=".xls")
    { 
          o.outerHTML = o.outerHTML;
          alert("Please Input (.xls) Type ");
         return false;
    }  
    return true;
}
  function view(o)
  {
   document.getElementById("img"+num).src=o.value;
   document.getElementById(obj).width="100"
   document.getElementById(obj).height="100"
  }
  //  this is Cover Picture
    function viewCover(o,obj)
  {
   document.getElementById(obj).src=o.value;
   document.getElementById(obj).width="100"
   document.getElementById(obj).height="100"
  }
var num=0
function addImg()                           
 { 
 num+=1;
 var str = '<br/><input type="file"  size="60"  name="File" onchange="if(Check_ImgType(this.value,this)) view(this)"/><img id="img'+num+'" src="../../Image/nopic.gif" style="height:100px;width:100px" />';
 document.getElementById("MyFile").insertAdjacentHTML("beforeEnd",str);  
 }
 
 
 
 var count=0;
var current=1;
var begin;
var _time=5000;
var li="li_";
 var Img=[{url:"http://gps4buy.com/Product/ProductList.aspx?ProductCategoryID=43",src:"Image/body-right-promotion_ad1.jpg"},{url:"http://gps4buy.com/Product/ProductList.aspx?ProductCategoryID=50",src:"Image/body-right-promotion_ad2.jpg"},{url:"http://gps4buy.com/Product/ProductList.aspx?ProductCategoryID=9",src:"Image/body-right-promotion_ad3.jpg"},{url:"http://gps4buy.com/Product/ProductList.aspx?ProductCategoryID=21",src:"Image/body-right-promotion_ad4.jpg"}];

 function Adinit(Imgs)
 {  
  count=Imgs.length; 
  begin=setInterval(change,_time);
 }
 
 
 
 function Spanover(obj)
 {
   current=parseInt(obj.id);
   Clear(current);
   clearInterval(begin);
 }

 
 function SpanOut(obj)
 {
   current=parseInt(obj.id);
   begin=setInterval(change,_time);
 }
 
 function Clear(obj)
 {
   for(var q=0;q<count;q++)
   {
     $(q.toString()).className="";
   }
   $(obj.toString()).className="pro-current";
  $("promotionads").style.background = "url('"+ Img[parseInt(obj.toString())].src+"')"; 
    $("a_Product_a").href=Img[parseInt(obj.toString())].url
 } 
function change()
{
  if(current>count-1)
  {
  current=0;
  }
  for(var q=0;q<count;q++)
  {
     $(q.toString()).className="";
  }
  $(current.toString()).className="pro-current";
  $("promotionads").style.background = "url('"+ Img[current].src+"')"; 
   $("a_Product_a").href=Img[current].url
    current++;
 
}
 function $(obj)
 {
   return document.getElementById(obj)
 }