// This code is to switch arrow bullets in left navigation (second level)

var imageBase = "image_";
var imageSource = "images/"; // the first part of the image source :: images/nav_company_on.gif

function arrowRollover(){
		var links = document.links;
		var navLinks;
		var i;
		for(i = 0; i < links.length; i++){
			if(links[i].className == 'navLink'){
				links[i].onmouseover = swapBullet;
				links[i].onmouseout = swapBullet;
			}
		}
}

function swapBullet(evt){
	evt = (evt) ? evt : ((window.event) ? event : null);
			if(evt) {
				var elem = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);
				if(elem) {
					var linkID;
					linkID = elem.id;
					if(linkID){
						var menuID;
						var submenuID;
						var startIndex, endIndex;
						
						startIndex = parseInt(linkID.indexOf("_") + 1);
						endIndex = parseInt(linkID.lastIndexOf("_"));
						menuID = linkID.substring(startIndex, endIndex);
						submenuID = linkID.substring(endIndex + 1);
							
						var imageID = imageBase + menuID + "_" + submenuID;
						var img = document.getElementById(imageID);
							
						if(img){
						var imageName;
						switch (evt.type){
							case "mouseover":
								imageName = "bullet_greenLight.gif";
								break;
							case "mouseout":
								imageName = "bullet_green.gif";
								break;
							}
						
						img.src = imageSource + imageName;
						
						window.status = "";
						}
				
					}
						
				}
			}
				
					
				
				return true;
}