// E-Mail Validation
function EmailCheck(str)
{
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1)
	{ return true; }

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	return true;
	}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		return true;
	}

	if (str.indexOf(at,(lat+1))!=-1){
		return true;
	}

	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		return true;
	}

	if (str.indexOf(dot,(lat+2))==-1){
		return true;
	}

	if (str.indexOf(" ")!=-1){
		return true;
	}
}
// Is Empty
function IsEmpty(ctl, err)
{
	if(ctl.value == "")
	{
		alert(err);
		ctl.focus();
		return true;
	}
	return false;
}
// Integer only without float
function KeyNumeric()
{
	if ((event.keyCode < 48) || (event.keyCode > 57))
		event.returnValue = false;
}

// Integer only without float
function KeyAlphaNumeric()
{
	if( event.keyCode >= 97 && event.keyCode<= 122)
		window.event.keyCode -= 32;

	if( ((event.keyCode >= 48) && (event.keyCode <= 57)) ||
		((event.keyCode >= 65) && (event.keyCode <= 90)) )
	{
		event.returnValue = true;
		return;
	}

	event.returnValue = false;
}

// check delete confirm
function isDelete()
{
	return confirm("Do you want to delete this product?");
}

function isZero(obtxt)
{
var obCount;
obCount = obtxt.value;
	if (obCount==0 )
	{
		alert("Please enter quantity");
		return false;
	}
	if (isNaN(obCount))
	{
		alert("Dont insert stirng");
		return false;
	}
}


// DelKey Date Eraser

function DateEraser(button)
{
if (event.keyCode == 46)
{
	document.getElementById(button.id).value="";
	document.getElementById(button.id).focus();
}
else if (event.keyCode != 9)
{	event.returnValue = false;	}
}

function CheckEmailId(ctl)
{
    if (ctl.value=="") return (true);
    if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(ctl.value))
    {
         return (true);
    }
    alert("Invalid E-mail Address! Please re-enter.")
    ctl.value="";
    ctl.focus();
    return (false);
}

function CheckPhoneNo(ctl)
{

	if (ctl.value=="") return (true);
	if (/^\d{3}\-\d{3}\-\d{4}$/.test(ctl.value))
	{
		return (true)
	}
	alert("Invalid Phone Number! Please re-enter.")
	ctl.value="";
	ctl.focus();
	return (false)
}