/*
 Javascript Validators
 Written By Charbel Al Batal: http://www.charbelbatal.com
 Copyright W8: http://www.wondereight.com
*/
//Check if user input is number
function isNumberKey(evt)
{
 var charCode = (evt.which) ? evt.which : evt.keyCode
 if (charCode > 31 && (charCode < 48 || charCode > 57))
	return false;
 return true;
}

function isAlphabet(elem){
	var alphaExp = /^[a-zA-Z]+$/;
	if(elem.value.match(alphaExp)){
		return true;
	}else{
		return false;
	}
}

//get unicode
function displayunicode(e)
{
var unicode=e.keyCode? e.keyCode : e.charCode
return unicode;
}

jQuery.fn.validateText = function() {
	if(this.val()=="")
	{
		return false;
	}
	return true;
 };
 
jQuery.fn.validateNumber = function() 
{
	var RE = /^-{0,1}\d*\.{0,1}\d+$/;
    return (RE.test(this.val()));
};
 
jQuery.fn.validateEmail = function(color) {
	var emailReg = /^([\w-\.]+@([\w-]+\.)+[\w-]{2,4})?$/;
	if(this.val()=="")
	{
		return false;
	}
	else if(!emailReg.test(this.val())) {	
		return false;
	}
	return true;
 };