$(document).ready(function(){
	$.preloadImages(
		"../images/brandAraldite1.gif",
		"../images/brandEpic1.gif",
		"../images/brandMxbon1.gif",
		"../images/brandParson1.gif",
		"../images/brandSealKing1.gif",
		"../images/brandVitrobond1.gif",
		"../images/brandVST1.gif"
	);


   $("#brandGrid td").hover( function() {
		var gridImg = $(this).find('img');
		var hoverImg = HoverImgOf($(gridImg).attr("src"));
		$(gridImg).attr("src", hoverImg);
		$(this).css("background","#efefef");
     }, function() {
		var gridImg = $(this).find('img');
		var normalImg = NormalImgOf($(gridImg).attr("src"));
		$(gridImg).attr("src", normalImg);
		$(this).css("background","#ffffff");
     }
   );
});

function HoverImgOf(filename)
{
   var re = new RegExp("(.+)\\.(gif|png|jpg)", "g");
   return filename.replace(re, "$11.$2");
}

function NormalImgOf(filename)
{
   var re = new RegExp("(.+)1\\.(gif|png|jpg)", "g");
   return filename.replace(re, "$1.$2");
}

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