function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}



function mainmenu(){
$(" #nav ul ").css({display: "none"}); // Opera Fix
$(" #nav li").hover(function(){
		$(this).find('ul:first').css({visibility: "visible",display: "none"}).slideDown(0);
		},function(){
		$(this).find('ul:first').css({visibility: "hidden"});
		});
}


function mainrollover(){
$(".roll").hover(
function() {
curr = $(this).find("img").attr("src");
over = curr.replace(/-off\./, '-on.');
$(this).find("img").attr({ src: over});
},
function() {
$(this).find("img").attr({ src: curr});
}
)

$(".roll").find("img").each(function(i) {
temp = this.src;
pre = temp.replace(/-off\./, '-on.');
preload_image_object = new Image();
preload_image_object.src = pre;
});
}
 
 
 $(document).ready(function(){					
	mainmenu();
	mainrollover();
});