function SimpleSwap(el,which){
  el.src=el.getAttribute(which || "origsrc");
}

function SimpleSwapSetup(){
  var x = document.getElementsByTagName("img");
  for (var i=0;i<x.length;i++){
    var oversrc = x[i].getAttribute("oversrc");
    if (!oversrc) continue;

    // preload image
    // comment the next two lines to disable image pre-loading
    x[i].oversrc_img = new Image();
    x[i].oversrc_img.src=oversrc;
    // set event handlers
    x[i].onmouseover = new Function("SimpleSwap(this,'oversrc');");
    x[i].onmouseout = new Function("SimpleSwap(this);");
    // save original src
    x[i].setAttribute("origsrc",x[i].src);
  }
}

var PreSimpleSwapOnload =(window.onload)? window.onload : function(){};
window.onload = function(){PreSimpleSwapOnload(); SimpleSwapSetup();}

/*
//  Browser check
	if (navigator.appName.indexOf('Microsoft') >= 0 && navigator.appVersion.indexOf('3.') >=0) {
		okbrowser = false;
		}
	else {
		okbrowser = true;
		}
	//  Load images
  imag = new Array();
  imag[0]="/images/nav-en/about_0.gif";
  imag[1]="/images/nav-en/news_0.gif";
  imag[2]="/images/nav-en/education_0.gif";
  imag[3]="/images/nav-en/events_0.gif";
  imag[4]="/images/nav-en/reference_0.gif";
  imag[5]="/images/nav-fr/about_0.gif";
  imag[6]="/images/nav-fr/news_0.gif";
  imag[7]="/images/nav-fr/education_0.gif";
  imag[8]="/images/nav-fr/events_0.gif";
  imag[9]="/images/nav-fr/reference_0.gif";
  imag[10]="/images/nav-en/about_1.gif";
  imag[11]="/images/nav-en/news_1.gif";
  imag[12]="/images/nav-en/education_1.gif";
  imag[13]="/images/nav-en/events_1.gif";
  imag[14]="/images/nav-en/reference_1.gif";
  imag[15]="/images/nav-fr/about_1.gif";
  imag[16]="/images/nav-fr/news_1.gif";
  imag[17]="/images/nav-fr/education_1.gif";
  imag[18]="/images/nav-fr/events_1.gif";
  imag[19]="/images/nav-fr/reference_1.gif";
  imag[20]="/images/nav-en/about_2.gif";
  imag[21]="/images/nav-en/news_2.gif";
  imag[22]="/images/nav-en/education_2.gif";
  imag[23]="/images/nav-en/events_2.gif";
  imag[24]="/images/nav-en/reference_2.gif";
  imag[25]="/images/nav-fr/about_2.gif";
  imag[26]="/images/nav-fr/news_2.gif";
  imag[27]="/images/nav-fr/education_2.gif";
  imag[28]="/images/nav-fr/events_2.gif";
  imag[29]="/images/nav-fr/reference_2.gif";
  
  imag[30]="/images/alberta/ab_nv_item1_0.gif";
  imag[31]="/images/alberta/ab_nv_item2_0.gif";
  imag[32]="/images/alberta/ab_nv_item3_0.gif";
  imag[33]="/images/alberta/ab_nv_item4_0.gif";
  imag[34]="/images/alberta/ab_nv_item5_0.gif";
  imag[35]="/images/alberta/ab_nv_item1_1.gif";
  imag[36]="/images/alberta/ab_nv_item2_1.gif";
  imag[37]="/images/alberta/ab_nv_item3_1.gif";
  imag[38]="/images/alberta/ab_nv_item4_1.gif";
  imag[39]="/images/alberta/ab_nv_item5_1.gif";
  imag[40]="/images/alberta/ab_nv_item1_2.gif";
  imag[41]="/images/alberta/ab_nv_item2_2.gif";
  imag[42]="/images/alberta/ab_nv_item3_2.gif";
  imag[43]="/images/alberta/ab_nv_item4_2.gif";
  imag[44]="/images/alberta/ab_nv_item5_2.gif";
  
  imag[45]="/images/sask/sask_nv_item1_0.gif";
  imag[46]="/images/sask/sask_nv_item2_0.gif";
  imag[47]="/images/sask/sask_nv_item3_0.gif";
  imag[48]="/images/sask/sask_nv_item4_0.gif";
  imag[49]="/images/sask/sask_nv_item5_0.gif";
  imag[50]="/images/sask/sask_nv_item1_1.gif";
  imag[51]="/images/sask/sask_nv_item2_1.gif";
  imag[52]="/images/sask/sask_nv_item3_1.gif";
  imag[53]="/images/sask/sask_nv_item4_1.gif";
  imag[54]="/images/sask/sask_nv_item5_1.gif";
  imag[55]="/images/sask/sask_nv_item1_2.gif";
  imag[56]="/images/sask/sask_nv_item2_2.gif";
  imag[57]="/images/sask/sask_nv_item3_2.gif";
  imag[58]="/images/sask/sask_nv_item4_2.gif";
  imag[59]="/images/sask/sask_nv_item5_2.gif";
  im = new Array()
	if(document.images) {
		for (var i = 0; i < imag.length; i++) {
			im[i] = new Image();
			im[i].src = imag[i];
			}
		}
	//  Mouseover functions
	function on(s) {
	if (okbrowser) {
		document.images[s].src= "/images/" + s + "_1.gif";
		}
	}

	function off(s) {
	if (okbrowser) {
		document.images[s].src= "/images/" + s + "_0.gif";
		}
	}
	
	
	
	function on2(s) {
	if (okbrowser) {
		document.images[s].src= "/images/" + s + "_2.gif";
		}
	}

	function off2(s) {
	if (okbrowser) {
		document.images[s].src= "/images/" + s + "_2.gif";
		}
	}
*/