// JavaScript Document

function check_Mail(mail)
{
	 if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(mail))) 
	 {
		return false;
	} else
	{	return true;
	}
}

function check_Selected(id)
	{	
		d = document.getElementById(id);
		if(d.options[d.selectedIndex].value == -1) 
		{
			alert("Please choose an option from the dropdown menu.");
			d.focus();
			return false;
		}
		return true;
	}