function CreateXmlHttpDate()
{
	//Creating object of XMLHTTP in IE
	
	try
	{
		XmlHttpDate = new ActiveXObject("Msxml2.XMLHTTP");
	}
	catch(e)
	{
		try
		{
			XmlHttpDate = new ActiveXObject("Microsoft.XMLHTTP");
		} 
		catch(oc)
		{
			XmlHttpDate = null;	
		}
	}
	//Creating object of XMLHTTP in Mozilla and Safari 
	if(!XmlHttpDate && typeof XMLHttpRequest != "undefined") 
	{
		XmlHttpDate = new XMLHttpRequest();
	}
}

//Called when response comes back from server Only For ExpDateData
function getDateResp()
{   // To make sure receiving response data from server is completed
	if(XmlHttpDate.readyState == 4)
	{
		// To make sure valid response is received from the server, 200 means response received is OK
		if(XmlHttpDate.status == 200)
		{   
			var ExpDate   = document.getElementById("ExpDate");
			var strData = XmlHttpDate.responseText
			if(strData != "") 
			{	
				var arrExpDate = strData.split("|");
				ExpDate.length = 0; 	
				for(i=0; i<arrExpDate.length-1; i++) 
				{	
					var strDate = arrExpDate[i];
					var arrExpDateCode = strDate.split("~");
					ExpDate.options[i] = new Option();
					ExpDate.options[i].value = arrExpDateCode[0];
					ExpDate.options[i].text = arrExpDateCode[1];
				}
			}
			else 
			{
					ExpDate.length = 0;
					ExpDate.options[0] = new Option(); 
					ExpDate.options[0].value = "";
					ExpDate.options[0].text = "No Exp Date";			
			}
			document.body.style.cursor = "auto";
		}
		else {
					ExpDate.length = 0;
					ExpDate.options[0] = new Option(); 
					ExpDate.options[0].value = "";
					ExpDate.options[0].text = "server is not ready";
					document.body.style.cursor = "auto";
		}
	}		
}

function fillSymbol(Exchg)
{  
   	var arrSymbol;
	var Symbol = document.getElementById("Symbol");
	cnt=1;
	
	if(Exchg!='')
	{
		if(Exchg=='MCX')
		{
			arrSymbol     = arrM_Symbol;
			arrSymbolText = arrM_CommName;
		}
		else if(Exchg=='NCDEX'){
			arrSymbol	  = arrN_Symbol;
			arrSymbolText = arrN_CommName;
		}
		Symbol.length = 0;
		Symbol.options[0] = new Option();
		Symbol.options[0].value = "";
		Symbol.options[0].text = "Select Symbol";
		
		for(var i=0; i < arrSymbol.length; i++)
		{
			Symbol.options[cnt] = new Option();
			Symbol.options[cnt].value = arrSymbol[i];
			Symbol.options[cnt].text = arrSymbolText[i];
			cnt = cnt + 1;
		}
	}
}

//commodity exp date	
function GetExpDate(Exchg,Symbol)
{   
    CreateXmlHttpDate();
	document.body.style.cursor = "progress";
	var requestUrl = "/Commodity/ExpDateData.aspx?Exchg="+ Exchg +"&Symbol="+Symbol;	
	if(XmlHttpDate)
	{
		XmlHttpDate.onreadystatechange = function(){getDateResp()};
		XmlHttpDate.open("GET",requestUrl,true);
		XmlHttpDate.send(null);		
	}
}