function forInvalidEmail(validEmail)
	{
		//alert(validEmail);
		return false;
	}
	function isValidEmail(str)
	{
		var atPos = str.indexOf("@");
		var validEmail = "Please fill the Email in specified format : username@domainname.com";
		if(atPos=0 || atPos != str.lastIndexOf("@"))
			return forInvalidEmail(validEmail);
		else
		{
			var arr = str.split("@");
			if(arr.length <=1)
				return forInvalidEmail(validEmail);
			else if(arr[1].length < 3)
				return forInvalidEmail(validEmail);
			else if(arr[1].indexOf(".") <=0 || arr[1].lastIndexOf(".") == arr[1].length - 1)
				return forInvalidEmail(validEmail);
			else
				return true;
		}
		return true;
	}


function chk_url(obj)
{
url=obj.value;
if(url.substr(0,7)=='http://' || url.substr(0,7)=='HTTP://' || url.substr(0,8)=='https://' || url.substr(0,8)=='HTTPS://') 
{
        return true;
}else{
    	alert("The given URL is invalid. (HTTP / HTTPS must be included)");
        obj.focus();
		return false;

	}
}