var xmlhttp

function next(id,val)
{
	//alert(id);
//document.getElementById('fornext').value=id;
	//alert(document.getElementById('fornext').value);
		xmlhttp=GetXmlHttpObject();
		if (xmlhttp==null)
		  {
		  alert ("Your browser does not support XMLHTTP!");
		  return;
		  }
	
//alert(id);

var url="ajax.php?id="+id+'&val='+val;
xmlhttp.onreadystatechange=stateChanged;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);	

}



	function stateChanged()
	{  
	  
	if (xmlhttp.readyState==4)
	  {		
	
	  document.getElementById("imageholder").innerHTML=xmlhttp.responseText;
	  }
	}
	
	
	
	
	
	function GetXmlHttpObject()
	{
	if (window.XMLHttpRequest)
	  {
	  // code for IE7+, Firefox, Chrome, Opera, Safari
	  return new XMLHttpRequest();
	  }
	if (window.ActiveXObject)
	  {
	  // code for IE6, IE5
	  return new ActiveXObject("Microsoft.XMLHTTP");
	  }

	return false;
	}