var xmlHttp

function getSubCatg(val)
{ 
		xmlHttp=GetXmlHttpObject()
		if (xmlHttp==null)
		{
		alert ("Browser does not support HTTP Request")
		return
		} 
		var url="showSubCatg.php"
		url=url+"?subcatid="+val
		url=url+"&sid="+Math.random()
		xmlHttp.onreadystatechange=stateChanged 
		xmlHttp.open("GET",url,true)
		xmlHttp.send(null)
		
	
}


function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById('spanForSubCatg').innerHTML = xmlHttp.responseText;
	}
} 
 

function GetXmlHttpObject()
{ 
var objXMLHttp=null
if (window.XMLHttpRequest)
{
objXMLHttp=new XMLHttpRequest()
}
else if (window.ActiveXObject)
{
objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
}
return objXMLHttp
}