function init()
{var c=$("#Crystals"),
	 cM=$("#CrystalsMenu"),
	 o=$("#Oscillators"),
	 oM=$("#OscillatorsMenu"),
	 f=$("#Filters"),
	 fM=$("#FiltersMenu"),
	 wM=$("#WoundComponentsMenu"),
	 w=$("#WoundComponents"),
	 mC=$("#MenuContainer"),
	 jBannerId=$("#banner img").attr("src"),
	 jLogoId=$("#logo img").attr("src"),
	 
	 preObj;
	 cM.hide();
	 oM.hide();
	 fM.hide();
	 wM.hide();
	 $("#nav ul").css({display: "none"});
	 $("#nav li").click(function()
				
				{if($.browser.msie){$(this).find('ul:first').css({visibility: "visible",display:"none"}).slideToggle("fast").css("margin-left","-158px").css();}else{$(this).find('ul:first').css({visibility: "visible",display:"none"}).slideToggle("fast")}}
			   ,function(){$(this).find('ul:first').slideToggle("fast")});$("#nav li ul li").hover(function(){deleteBg(preObj)},function(){dbg();});function deleteBg(t)

<!--Product Menu Tab Change Colour when Hover-->
{var color;switch(t){
	case c:color="#14659E";break;
	case o:color="#C29820";break;
	case f:color="#5C9234";break;
	case w:color="#BD2E34";break;
	}t.css("background",color);preObj=t;}

c.hover(function(){CMENU();
						 o.css("color","#ccc").css("background","url(images/oscillators2.gif)");
						 f.css("color","#ccc").css("background","url(images/filters2.gif)");
						 w.css("color","#ccc").css("background","url(images/woundComponents2.gif)");
						 },function(){dbg();});

o.hover(function(){OMENU();
						 c.css("color","ccc").css("background","url(images/crystals2.gif)");
						 f.css("color","#ccc").css("background","url(images/filters2.gif)");
						 w.css("color","#ccc").css("background","url(images/woundComponents2.gif)");
						 },function(){dbg();});

f.hover(function(){FMENU();
						 c.css("color","#ccc").css("background","url(images/crystals2.gif)");
						 o.css("color","#ccc").css("background","url(images/oscillators2.gif)");
						 w.css("color","#ccc").css("background","url(images/woundComponents2.gif)");
						 },function(){dbg();});

w.hover(function(){WMENU();
						 c.css("color","#ccc").css("background","url(images/crystals2.gif)");
						 o.css("color","#ccc").css("background","url(images/oscillators2.gif)");
						 f.css("color","#ccc").css("background","url(images/filters2.gif)");
						 },function(){dbg();})

;$("body").click(function(){cM.slideUp("slow");oM.slideUp("slow");fM.slideUp("slow");wM.slideUp("slow");changeBanner(jBannerId);changeLogo(jLogoId);});


<!--On hover over, drop down menu options and change banner image-->
function CMENU(){
	deleteBg(c);
cM.slideToggle("fast");
oM.slideUp("fast");
fM.slideUp("fast");
wM.slideUp("fast");
changeBanner("images/banner2.jpg");
changeLogo("images/logo_blue.png");}

function OMENU(){
	deleteBg(o);
oM.slideToggle("fast");
fM.slideUp("fast");
cM.slideUp("fast");
wM.slideUp("fast");
changeBanner("images/banner3.jpg");
changeLogo("images/logo_gold.png");}

function FMENU(){
	deleteBg(f);
fM.slideToggle("fast");
oM.slideUp("fast");
cM.slideUp("fast");
wM.slideUp("fast");
changeBanner("images/banner4.jpg");
changeLogo("images/logo_green.png");}

function WMENU(){
	deleteBg(w);
wM.slideToggle("fast");
oM.slideUp("fast");
cM.slideUp("fast");
fM.slideUp("fast");
changeBanner("images/banner5.jpg");
changeLogo("images/logo_red.png");}

<!--Change banner fade in / fade out speed-->
function changeBanner(img){if($("#banner img").attr("src")!=img){$("#banner img").fadeOut(1500,function(){$("#banner img").fadeIn(1500).attr({ src: img});});}}

function changeLogo(img){if($("#logo img").attr("src")!=img){$("#logo img").fadeOut(1500,function(){$("#logo img").fadeIn(1500).attr({ src: img});});}}

<!--On hover out change font colour and tab colour-->
function dbg(){
c.css("color","#fff").css("background","url(images/crystals1.gif)");
o.css("color","#fff").css("background","url(images/oscillators1.gif)");
f.css("color","#fff").css("background","url(images/filters1.gif)");
w.css("color","#fff").css("background","url(images/woundComponents1.gif)");}}