var xmlHttp;
var reportoutputid;
function grid_list(pageto,sql,ordertype,orderfield,startno)
{ 
	sql = sql.replace("'%","'|");
	sql = sql.replace("%'","|'");
	var url=pageto + "?sql=" + sql + "&ordertype=" + ordertype + "&orderfield=" + orderfield + "&startno=" + startno;
	xmlHttp=GetXmlHttpObject(stateChangedGridList) //Create XMLHTTPRequest object with Event Handler
	xmlHttp.open("GET", url , true) //Retrive data from specified url
	xmlHttp.send(null) //Trigger actual request with null because called with 'GET'
} 

function grid_report(pageto,outputid,qrystr)
{ 
	var url=pageto;
	if (qrystr != "")
	{
		url = url + qrystr;
	}
	reportoutputid = outputid;
	xmlHttp=GetXmlHttpObject(stateChangedReportList) //Create XMLHTTPRequest object with Event Handler
	xmlHttp.open("GET", url , true) //Retrive data from specified url
	xmlHttp.send(null) //Trigger actual request with null because called with 'GET'
} 

function stateChangedReportList() //Event Handler
{ 
	var opid = reportoutputid;
	if (xmlHttp.readyState==4 || xmlHttp.readyState	=="complete")
	{ 
		document.getElementById(opid).innerHTML=xmlHttp.responseText;
		document.all.loadingscreen.style.visibility="hidden";
	} 
} 

function stateChangedGridList() //Event Handler
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState	=="complete")
	{ 
		document.getElementById("grid_output").innerHTML=xmlHttp.responseText;
		document.all.loadingscreen.style.visibility="hidden";
	} 
} 

function getproduct_combo(pageto,sql,productmain,productrel1,productrel2,productrel3)
{ 
	var url=pageto + "?sql=" + sql + "&productmain=" + productmain + "&productrel1=" + productrel1 + "&productrel2=" + productrel2 + "&productrel3=" + productrel3;
	xmlHttp=GetXmlHttpObject(stateChangedGridList) //Create XMLHTTPRequest object with Event Handler
	xmlHttp.open("GET", url , true) //Retrive data from specified url
	xmlHttp.send(null) //Trigger actual request with null because called with 'GET'
} 


function GetXmlHttpObject(handler)
{ 
	var objXmlHttp=null

	if (navigator.userAgent.indexOf("Opera")>=0)
	{
		alert("This feature is not compatible with Opera") 
		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
	}
}