// Copyright 2005 Michael Udaltsov, DVC Multimedia
// michael_u@ace-code.com

// prevent old browsers from using getElementById
get_null = function() { return null; }
if (!document.getElementById) {
	document.getElementById = get_null;
}

// [normal, rollover] navigation images
navImages = [["images/nav_off/home.gif", "images/nav_on/home.gif"],
						 ["images/nav_off/about.gif", "images/nav_on/about.gif"],
						 ["images/nav_off/contact.gif", "images/nav_on/contact.gif"],
						 ["images/nav_off/events.gif", "images/nav_on/events.gif"],
						 ["images/nav_off/online_store.gif", "images/nav_on/online_store.gif"],
						 ["images/nav_off/pashminas.gif", "images/nav_on/pashminas.gif"],
						 ["images/nav_off/testimonials.gif", "images/nav_on/testimonials.gif"],
			 			 ["images/nav_off/terms.gif", "images/nav_on/terms.gif"],
						 ["images/nav_off/newarrivals.gif", "images/nav_on/newarrivals.gif"],
						 ["images/top_off/p1.jpg", "images/top_on/p1.jpg"],
						 ["images/top_off/p2.jpg", "images/top_on/p2.jpg"],
						 ["images/top_off/p3.jpg", "images/top_on/p3.jpg"],
						 ["images/top_off/p4.jpg", "images/top_on/p4.jpg"],
						 ["images/top_off/p5.jpg", "images/top_on/p5.jpg"],
						 ["images/top_off/p6.jpg", "images/top_on/p6.jpg"],
						 ["images/top_off/p7.jpg", "images/top_on/p7.jpg"],
						 ["images/top_off/p8.jpg", "images/top_on/p8.jpg"]];

var nav_idx = -1;

function InitRollovers(nav) {

	if (document.images) {
		var i;

		// load nav image rollovers
		for (i = 0; i < navImages.length; i++) {
			var img = new Image();
			img.src = navImages[i][1];}
	}
	
	Roll(nav, 1); // turn on in case rollout happened
	
	nav_idx = nav-1; // using 0-index for arrays, 1-index in DreamWeaver
}

function Roll(num, type) {
	// non-initial image only, switch off or on
	idx = num-1;
	if (idx != nav_idx && (type == 0 || type == 1)) {
		var img = document.getElementById("nav"+num);
		if (img) { // image exists

		    if(num==10)
		    {img.setAttribute("alt", "Pouches");}
		    else if(num==11)
		    {img.setAttribute("alt", "Purses");}
		    else if(num==12)
		    {img.setAttribute("alt", "Silk Scarves");}
		    else if(num==13)
		    {img.setAttribute("alt", "Jewelry");}
		    else if(num==14)
		    {img.setAttribute("alt", "Ritual Arts");}
		    else if(num==15)
		    {img.setAttribute("alt", "Himalayan Cashmere Shawls");}
		    else if(num==16)
		    {img.setAttribute("alt", "Himalayan Cashmere Scarves");}
		    else if(num==17)
		    {img.setAttribute("alt", "New Arrivals");}		      

			img.src = navImages[idx][type];
		}
	}
}