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

$.preloadImages("/images/wait25.gif","/images/wait16.gif","/images/spacer.gif","/images/navigation/listingsOVER.jpg","/images/navigation/scheduleOVER.jpg","/images/navigation/favoritesOVER.jpg","/images/navigation/settingsOVER.jpg","/images/btn_loginOVER.gif");

$(window).bind('load', function () {
  $('img.crossfade').crossfade( {delay:250} );
});

function checkNum(e,allowDot){
	var key = window.event ? window.event.keyCode : e.which;
	var keychar = String.fromCharCode(key);
	if(key == 0 || key == 8 || key == 13 || (key >= 48 && key <= 57)){
		return true;
	}
	if(allowDot && key == 46){
		return true;
	}
	return false;
}

function checkSubmit(e,frm){
	var key = window.event ? window.event.keyCode : e.which;
	if(key == 13){
		frm.submit();
	}
}