var btns = 'galleries|packages|about|events|contact|testimonials|links|my_wedding';
var arr_btns = btns.split('|');
var arr_imgs = new Array();

//Rollover Fn
function changeImage(img)
{
	if(document.images && preloadFlag == true)
	{
		var btn = (img.substring(img.length-2) == '-o')?img.substring(0, img.length-2):img;
		document.images[btn].src = arr_imgs[img].src;
	}
}

var preloadFlag = false

//Preload
function preloadImages()
{
	if(document.images)
	{
		for(i in arr_btns)
		{
			//load normal img
			arr_imgs[arr_btns[i]] = new Image();
			arr_imgs[arr_btns[i]].src = 'images/'+arr_btns[i]+'.png';
			//load hover img
			arr_imgs[arr_btns[i]+'-o'] = new Image();
			arr_imgs[arr_btns[i]+'-o'].src = 'images/'+arr_btns[i]+'-o.png';
		}
	}
	preloadFlag = true;
}