var xmlHttp;
var rootpath;
rootpath = "http://grendacorp.exanano.com/ajax/";
function GetXmlHttpObject(handler)
{
    var objXmlHttp=null
 
    if (navigator.userAgent.indexOf("Opera")>=0)
    {
        alert("Opera not supported...")
        return;
    }
    if (navigator.userAgent.indexOf("MSIE")>=0)
    {
        var strName="Msxml2.XMLHTTP"
        if (navigator.appVersion.indexOf("MSIE 5.5")>=0)
        {
            strName="Microsoft.XMLHTTP"
        }
        try
        {
            objXmlHttp=new ActiveXObject(strName)
            objXmlHttp.onreadystatechange=handler
            return objXmlHttp
        }
        catch(e)
        {
            alert("Error. Scripting for ActiveX might be disabled")
            return
        }
    }
    if (navigator.userAgent.indexOf("Mozilla")>=0)
    {
        objXmlHttp=new XMLHttpRequest()
        objXmlHttp.onload=handler
        objXmlHttp.onerror=handler
        return objXmlHttp
    }
} 

function getmenu(str, display_id)
{
  
	if(str!=""){
    var url=rootpath + "menus.php" + "?doc_id=" + str
    xmlHttp=GetXmlHttpObject(stateChanged(display_id))
		
    xmlHttp.open("GET", url , true)
    xmlHttp.send(null)		
	}	
}
function stateChanged(display_id)
{
    if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
    {  			
			document.getElementById(display_id).innerHTML=xmlHttp.responseText
    }
}