var xmlHttp;
var classid;
function createXMLHttpRequest()
{
  if(window.ActiveXObject)
     xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  else if(window.XMLHttpRequest)
     xmlHttp=new XMLHttpRequest();
}
function selectcategory(requestId)
{
  classid=requestId;
  if(classid==1)
  {
    var DocElement=document.getElementById("books");
	DocElement.setAttribute("class","mouseroverstyle");
	DocElement.setAttribute("className","mouseroverstyle");
	
	DocElement=document.getElementById("movies");
	DocElement.setAttribute("class","mouseroutstyle");
	DocElement.setAttribute("className","mouseroutstyle");
	
	DocElement=document.getElementById("ms");
	DocElement.setAttribute("class","mouseroutstyle");
	DocElement.setAttribute("className","mouseroutstyle");
  }
  if(classid==2)
  {
    var DocElement=document.getElementById("ms");
	DocElement.setAttribute("class","mouseroverstyle");
	DocElement.setAttribute("className","mouseroverstyle");
	
	DocElement=document.getElementById("movies");
	DocElement.setAttribute("class","mouseroutstyle");
	DocElement.setAttribute("className","mouseroutstyle");
	
	DocElement=document.getElementById("books");
	DocElement.setAttribute("class","mouseroutstyle");
	DocElement.setAttribute("className","mouseroutstyle");
  }
  if(classid==3)
  {
    var DocElement=document.getElementById("movies");
	DocElement.setAttribute("class","mouseroverstyle");
	DocElement.setAttribute("className","mouseroverstyle");
	
	DocElement=document.getElementById("ms");
	DocElement.setAttribute("class","mouseroutstyle");
	DocElement.setAttribute("className","mouseroutstyle");
	
	DocElement=document.getElementById("books");
	DocElement.setAttribute("class","mouseroutstyle");
	DocElement.setAttribute("className","mouseroutstyle");
  }
  createXMLHttpRequest();
  xmlHttp.onreadystatechange=setProduct;
  xmlHttp.open("GET","responseTab.asp?classid="+escape(classid),true);
  xmlHttp.send(null);
}
function setProduct()
{
  var textDoc;
  if(xmlHttp.readyState==4)
    {
	  if(xmlHttp.status==200)
	    {
		  textDoc=xmlHttp.responseText;
		  document.getElementById("showProduct").innerHTML=textDoc;
		}
	}
}