jQuery.preloadImages = function()
{
  for(var i = 0; i<arguments.length; i++)
  {
    jQuery("<img>").attr("src", arguments[i]);
  }
}

$(document).ready( function() { 
	$(".menu").mouseover( function() { $('IMG[id='+this.id+']').attr("src","images/"+this.id+"_on.jpg"); } );
	$(".menu").mouseout( function() { $('IMG[id='+this.id+']').attr("src","images/"+this.id+".jpg"); } );
	
	$("#qualifications").click(function(){ 
			var error = "";
			$(".req:input[name!='']").each(function(i){	if (this.value == "") error += "Missing Information: " + this.title +"\n";	});
			if (error.length > 0) {
				alert(error);
				return false;
			} else $("#qualForm").submit();
	});
}); // end function