var flag   =   1;   

function SetImgSrc(obj)
		  {
			var li_img = document.getElementById("img_tp");
			if(li_img)
				{
					li_img.src="/shop/images_shop/" + obj;
				}
           }


	function ChangDrop()
	{
		flag=flag?0:1; 
		if (flag)
			{
				var mydrop= document.getElementById("Dropimg");
				var sx1=document.getElementById("sx1list");
				
				if (mydrop)
					{
						for(var i=0;i<mydrop.options.length;i++) 
							{
								if (sx1)
								{
									if(i==sx1.selectedIndex)
									{
										if (mydrop.options[i].value!="")
										{
										SetImgSrc(mydrop.options[i].value);
										}
									break;
									}
								}
								
							}
					}
			}
	}
	
	  function ChangDrop2()
	 {
	  var mydrop= document.getElementById("Dropimg");
	  if (mydrop)
	  {  
			if (mydrop.options[0].value!="")
			{
				SetImgSrc(mydrop.options[0].value);
			}
	  }
	 }