function mainmenu(){
$(" #navlist ul ").css({display: "none"}); // Opera Fix
$(" #navlist li ").hover(function(){
						
		$(this).find('ul:first').css({visibility: "visible",display: "none"}).show(500);
	    },function(){
	    $(this).find('ul:first').css({visibility: "hidden"});	 
 });
			
}



 $(document).ready(function(){					
	mainmenu();
	
});
 
 
 
 $(function(){

    $("#navlist li").hover(function(){
    
        $(this).addClass("hover");
        $('ul:first',this).css('visibility', 'visible');
    
    }, function(){
    
        $(this).removeClass("hover");
        $('ul:first',this).css('visibility', 'hidden');
    
    });
    
    $("ul.dropdown li ul li:has(ul)").find("a:first").append(" » ");

});


function onlyNumbers(evt)
{
	var e = event || evt; 
	var charCode = e.which || e.keyCode;

	if (charCode > 31 && (charCode < 48 || charCode > 57))
		return false;

	return true;

}





function alphanumeric_only(e)

{
var keycode;

if (window.event) keycode = window.event.keyCode;
else if (event) keycode = event.keyCode;

else if (e) keycode = e.which;
else return false;if( (keycode >= 47 && keycode <= 57) || (keycode >= 65 && keycode <= 90) || (keycode >= 97 && keycode <= 122) )

{alert ("Plase enter 3 #'s in this textbox");
return false;

}

else

{
return true;

}
return false;

}