var xmlHttp

function showHint(str)
{	


//alert(str);
	var string1="";
	var string_value="";
	
	//var product_id=form1[2].value;	
	var product_id=form1.products_id.value;	
	//var product_id=form1[1].value

	//alert(form1[2].value);
	
	var len = form1.elements.length;
	//alert(len);
	for(var i=0;i<len;i++)
	//for(var i=2;i<=form1[0].value;i++)
	{		
		string1=string1+form1[i].name+"||";
		
		string_value=string_value+form1[i].value+"||";
	}

	if (str.length==0)
	{
		document.getElementById("txtHint").innerHTML="";
		return;
	}
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Your browser does not support AJAX!");
		return;
	}
	var url="display_price.php";
	url=url+"?q="+string1;
	url=url+"&q1="+string_value;
	url=url+"&product_id="+product_id;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
} 

function stateChanged() 
{
	if (xmlHttp.readyState==4)
	{
		document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
	}
}

function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)
	{
		// Internet Explorer
		try
	{
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}