//--------------------------------------------------------------------------
//IMAGE SWAP & PRELOAD//
function ImgClass(obj, div_id, img_id, img_org, img_active){
	this.obj = obj;
	this.div_id = div_id;
	this.img_id = img_id;
	this.img_org = img_org;
	this.img_active = img_active;
	
	this.mouseDown = mouseDownMethod;
	this.mouseUp = mouseUpMethod;
}

function mouseDownMethod(){
	var imgObj = this.img_active;
	if(isIE){
		document.images[this.img_id].src = eval(imgObj + ".src");
	}
	if(isNav){
		eval("document." + this.div_id + ".document.images['" + this.img_id + "'].src = " + imgObj + ".src");
	}
	if(isMoz){
		eval("document.getElementById('" + this.img_id + "').src = " + imgObj + ".src");
	}
}

function mouseUpMethod(){
	var imgObj = this.img_org;
	if(isIE){
		document.images[this.img_id].src = eval(imgObj + ".src");
	}
	if(isNav){
		eval("document." + this.div_id + ".document.images['" + this.img_id + "'].src = " + imgObj + ".src");
	}
	if(isMoz){
		eval("document.getElementById('" + this.img_id + "').src = " + imgObj + ".src");
	}
}

//Preloads images
function preload(imgObj,imgSrc) {
	if (document.images) {
		eval(imgObj+' = new Image()')
		eval(imgObj+'.src = "'+imgSrc+'"')
	}
}

function imgInit(){
	img1 = new ImgClass("img1", "MenuScrollBottom", "down", "sd", "sd2");
	img2 = new ImgClass("img2", "MenuScrollTop", "up", "su", "su2");
	
	preload('su','su.gif');
	preload('su2','su2.gif');
	preload('sd','sd.gif');
	preload('sd2','sd2.gif');
	
	preload('ll','ll.gif');
	preload('ll2','ll2.gif');
	preload('llb','llb.gif');
	preload('n1i','n1i.gif');
	preload('n1o','n1o.gif');
	preload('n2i','n2i.gif');
	preload('n2o','n2o.gif');
	preload('p','p.gif');
	preload('r_n','r_n.gif');
	preload('rl','rl.gif');
	preload('rl2','rl2.gif');
	preload('rlb','rlb.gif');
	preload('tl','tl.gif');
	preload('tlb','tlb.gif');
	preload('menubg','menubg.gif');
	//hide('loader');
}

// Docco Menu By Torben Larsson @ framfab