var splChars = "!@$%^&*()+=[]\\;,./{}|:<>?";
var loading_str = "<img src='layout/loading.gif'> <font color=#ff0000>Loading...</font>";
var delete_str = "<img src='layout/loading.gif'> <font color=#ff0000>Deleting...</font>";
var receiveobject
var shareid
var receiveurl
var buy_receiveurl
var buyobject
var trend_receiveurl
var trendobject
var delquoteObject
var delquote_url

function init()
{
	receiveobject = getXMLobject()
} // end function init

function getXMLobject()
{

        //code for Mozilla
        if (window.XMLHttpRequest)
                xmlobject = new XMLHttpRequest()
        //code for IE
        else if (window.ActiveXObject)
                xmlobject = new ActiveXObject("Microsoft.XMLHTTP")
        if (xmlobject){
                 return xmlobject}
        else window.alert("Could not create xmlhttp object")
} // end function getXMLobject

function checkInteger(val)
{ 
	for(var i=0;i<val.length;i++)
	{
		if(!isDigit(val.charAt(i)))
		{
			return false; 
		}
	}
	return true;
} // end function checkInteger

function isDigit(num)
{
	if (num.length>1)
	{return false;} 
	var string="1234567890";
	if ( string.indexOf(num)!=-1)
	{return true;}
	return false;
} // end function isDigit

function isDecimal(num)
{
	if (num.length>1)
	{return false;} 
	var string="1234567890.";
	if ( string.indexOf(num)!=-1)
	{return true;}
	return false;
} // end function isDecimal

function specialChars(formString)
{
	for (var i = 0; i < formString.length; i++)
	{
		if (splChars.indexOf(formString.charAt(i)) != -1)
		{
			return 1;
		}

	}
	return 0; // Does Not contains Special Characters
} // end function specialChars

function checkmail(Email)
{
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(Email.value ))
	{
		return 0; // valid email
	}
	else
	{
		return 1;
	}
} // end function checkmail

function Trim(TRIM_VALUE)
{
	if(TRIM_VALUE.length < 1)
	{ 
		return "";
	}
	TRIM_VALUE = RTrim(TRIM_VALUE);
	TRIM_VALUE = LTrim(TRIM_VALUE);
	if(TRIM_VALUE=="")
	{
		return ""; 
	}
	else
	{
		return TRIM_VALUE;
	}
} // end function Trim

function RTrim(VALUE)
{
	var w_space = String.fromCharCode(32);
	var v_length = VALUE.length;
	var strTemp = "";
	if(v_length < 0)
	{
		return "";
	}
	var iTemp = v_length -1;

	while(iTemp > -1) 
	{
		if(VALUE.charAt(iTemp) == w_space){
	}
	else
	{
		strTemp = VALUE.substring(0,iTemp +1);
		break;
	}
	iTemp = iTemp-1; 
	
	} //End While
	return strTemp;

}  // end function RTrim

function LTrim(VALUE)
{
	var w_space = String.fromCharCode(32);
	if(v_length < 1)
	{ 
		return "";
	}
	var v_length = VALUE.length;
	var strTemp = "";

	var iTemp = 0;

	while(iTemp < v_length)
	{
		if(VALUE.charAt(iTemp) == w_space) 
		{
		}
		else
		{
			strTemp = VALUE.substring(iTemp,v_length);
			break;
		}
		iTemp = iTemp + 1;
		} //End While
		return strTemp; 
}  // end function LTrim

function buying(shareid)
{
	buy_receiveurl = "market.php";
	var parameter = "?shareid="+shareid;
	buy_receiveurl = buy_receiveurl+parameter;
	
	buyobject = getXMLobject()
	
	buyobject.open("GET",buy_receiveurl,true);
   	buyobject.onreadystatechange = processB;
   	buyobject.send(null);
} // end function buying

function getTrend(shareid)
{
	trend_receiveurl = "get_trend.php";
	var parameter = "?shareid="+shareid;
	trend_receiveurl = trend_receiveurl+parameter;
	
	trendobject = getXMLobject()
	
	trendobject.open("GET",trend_receiveurl,true);
        trendobject.onreadystatechange = processT;
        trendobject.send(null);
} // end function getTrend

function processB()
{
	if(buyobject.readyState==4)
    {
		if(buyobject.status==200)
		{
			document.getElementById("market").innerHTML=buyobject.responseText
		}
    }
    else {
		document.getElementById("market").innerHTML= loading_str;
	}
} // end function processB

function processT()
{
	if(trendobject.readyState==4)
    {
		if(trendobject.status==200)
		{
			document.getElementById("trends").innerHTML=trendobject.responseText
		}
    }
    else {
		document.getElementById("trends").innerHTML= loading_str;
	}
} // end function processT

function getVsedex()
{
	receiveobject = getXMLobject()
	receiveurl = "vsedex-value.php";

	receiveobject.open("GET", receiveurl, true);
	receiveobject.onreadystatechange = processV;
	receiveobject.send(null);
} // end function getVsedex

function processV()
{
	if(receiveobject.readyState==4)
	{
		if(receiveobject.status==200)
		{
			document.getElementById("vsedex").innerHTML = receiveobject.responseText;
			setTimeout(getVsedex,50000);
		}
	}
	else
	{
		document.getElementById("vsedex").innerHTML = loading_str;
	}
}


function deleteQuote(quote_id)
{
	delquote_url = "delete-quote.php"
	var parameter = "?quote_id="+quote_id;
	
	delquote_url = delquote_url + parameter;
	
	delquoteObject = getXMLobject()
	
	delquoteObject.open("GET",delquote_url,true);
   	delquoteObject.onreadystatechange = processD;
   	delquoteObject.send(null);
	
}

function processD()
{
	if(delquoteObject.readyState==4)
   	{
		if(delquoteObject.status==200)
		{
			document.getElementById("quote_status").innerHTML=delquoteObject.responseText
		}
    	}
    	else {
		document.getElementById("quote_status").innerHTML= delete_str;
	}
}