// JavaScript Document

 //add to favorites
 function addToFavorites(urlAddress,pageName)
 {
 	 if (window.external)
 	 {
  		 window.external.AddFavorite(urlAddress,pageName)
 	 }
  	else
 	 { 
  		 alert("Sorry! Your browser doesn't support this function.");
  	}
 }
 
 //check the search form
 function chksform( )
 {
  	if (document.sform.skey.value=="")
  	{
	  	alert("Please type the keyword");
	 	 return false;
 	 }
  return true ;
  }
  
  //show big photograph of product
   function changeImage(bigImage)
	{
		document.getElementById("bid").innerHTML="<img src='"+bigImage+"'>";
	}