/*
	Standards Compliant Rollover Script
	Author : Daniel Nolan
	http://www.bleedingego.co.uk/webdev.php
*/

function initRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'imgover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_ov'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_ov'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

window.onload = initRollovers;










function menu(host_object_id, visible_object_id){
	if(document.all){
		var visible_object = document.all[visible_object_id];
		var host_object = document.all[host_object_id];
	}else if(document.getElementById){
		var visible_object = document.getElementById(visible_object_id);
		var host_object = document.getElementById(host_object_id);
	}

	if(visible_object.style.visibility == 'visible'){
		visible_object.style.visibility="hidden";
	}else{
		if(document.all){
			visible_object.style.left = host_object.offsetLeft;
			visible_object.style.top = host_object.offsetTop + host_object.offsetHeight;	
			visible_object.style.visibility="visible";
		}else if(document.getElementById){
			visible_object.style.left = host_object.offsetLeft + "px";
			visible_object.style.top = host_object.offsetTop + host_object.offsetHeight + "px";
			visible_object.style.visibility="visible";
		}		
	}
}