var base = "images/";

if (document.images)
{
nhcHOME_on = new Image(); nhcHOME_on.src = base + "TVGheader_03-over.gif";
nhcHOME_off = new Image(); nhcHOME_off.src = base + "TVGheader_03.gif";

nhcHOWTO_on = new Image(); nhcHOWTO_on.src = base + "TVGheader_04-over.gif";
nhcHOWTO_off = new Image(); nhcHOWTO_off.src = base + "TVGheader_04.gif";

nhcRULES_on = new Image(); nhcRULES_on.src = base + "TVGheader_05-over.gif";
nhcRULES_off = new Image(); nhcRULES_off.src = base + "TVGheader_05.gif";

nhcPRIZES_on = new Image(); nhcPRIZES_on.src = base + "TVGheader_06-over.gif";
nhcPRIZES_off = new Image(); nhcPRIZES_off.src = base + "TVGheader_06.gif";

nhcANALYSIS_on = new Image(); nhcANALYSIS_on.src = base + "TVGheader_07-over.gif";
nhcANALYSIS_off = new Image(); nhcANALYSIS_off.src = base + "TVGheader_07.gif";

nhcLEADERBOARD_on = new Image(); nhcLEADERBOARD_on.src = base + "TVGheader_08-over.gif";
nhcLEADERBOARD_off = new Image(); nhcLEADERBOARD_off.src = base + "TVGheader_08.gif";

nhcSPONSOR1_on = new Image(); nhcSPONSOR1_on.src = base + "TVGheader_09-over.gif";
nhcSPONSOR1_off = new Image(); nhcSPONSOR1_off.src = base + "TVGheader_09.gif";

nhcSPONSOR2_on = new Image(); nhcSPONSOR2_on.src = base + "TVGheader_10-over.gif";
nhcSPONSOR2_off = new Image(); nhcSPONSOR2_off.src = base + "TVGheader_10.gif";

nhcSPONSOR3_on = new Image(); nhcSPONSOR3_on.src = base + "TVGheader_11-over.gif";
nhcSPONSOR3_off = new Image(); nhcSPONSOR3_off.src = base + "TVGheader_11.gif";
}
// --------------------------------------------------
function imgOn(imgName) {
	document[imgName].src = eval(imgName + "_on.src");
}

function imgOff(imgName) {
	document[imgName].src = eval(imgName + "_off.src");
}
// --------------------------------------------------
// Name: Blur Anchors
// Author: Travis Beckham | squidfingers.com
// Description: Remove anchor outlines from all links in the document
// --------------------------------------------------
function blurAnchors(){
  if(document.getElementsByTagName){
    var a = document.getElementsByTagName("a");
    for(var i = 0; i < a.length; i++){
      a[i].onfocus = function(){this.blur()};
    }
  }
}
// --------------------------------------------------
// Name: DOM Image rollover
// Author: Chris Poole | http://chrispoole.com
// Description: Define hover source(hsrc) for rollovers
// --------------------------------------------------
function initRollOvers() {
	if (!document.getElementById) return
	var imgOriginSrc;
	var imgTemp = new Array();
	var imgarr = document.getElementsByTagName('img');
	var imglen = imgarr.length
	for (var i = 0; i < imglen; i++) {
		if (imgarr[i].getAttribute('hsrc')) {
			imgTemp[i] = new Image();
			imgTemp[i].src = imgarr[i].getAttribute('hsrc');
			imgarr[i].onmouseover = function() {
				imgOriginSrc = this.getAttribute('src');
				this.setAttribute('src',this.getAttribute('hsrc'))
			}
			imgarr[i].onmouseout = function() {
				this.setAttribute('src',imgOriginSrc)
        	}
		}
	}
}
// --------------------------------------------------
// Load group of functions onLoad
// --------------------------------------------------
window.onload = function() { 
	//initRollOvers();
	blurAnchors();
}