// JScript 文件

var obj=null;
var objstr=null;
function over(num,str)
{
  if(obj!=null)
  {
  	  document.getElementById(objstr+obj).style.display="block";
      document.getElementById(objstr+objstr+obj).style.display="none";
  }
   document.getElementById(str+num).style.display="none";
   document.getElementById(str+str+num).style.display="block";
   obj=num;
   objstr=str;

}

function show(obj)
{ 
     document.getElementById("hsx").value=document.getElementById("color"+obj).innerText;
     var str=document.getElementById("color"+obj).innerText;
     document.getElementById("scolor").innerText=str;
     var tag=window.document.getElementById("ddl"+obj);
     document.getElementById("sd1").style.display='none';
     document.getElementById("sd2").style.display='none';
     document.getElementById("sd3").style.display='none';
     document.getElementById("sd4").style.display='none';
     document.getElementById("sd5").style.display='none';
     document.getElementById("scm").style.display='none';
     if(tag.options.length>0)
     {
       document.getElementById("sd"+obj).style.display='';
       document.getElementById("scm").style.display='';
     }
}

function choosepic(obj)
{
   var objsrc=document.getElementById(obj).src;
   document.getElementById('bigpic').src=objsrc;
   document.getElementById('lb').href=objsrc;
}
function showpic()
{
  var src=document.getElementById('bigpic').src
  location.href=src;
}

function buynum()
{
   var leastbuynum= document.getElementById("hleastbuynum").value;
   var txtgoodsnum=document.getElementById("txtgoodsnum").value;
   
   if(isnumber('txtgoodsnum'))
   {
       if(txtgoodsnum<leastbuynum)
       {
          document.getElementById("stxtgoodsnum").innerHTML="此商品"+ leastbuynum +"件起批";
          return false;
       } return true;
   }return false; 
}