function changeImage(imgName1,type) {
		var imgFile1 = eval(imgName1 + type + "Img.src")
		document.images[imgName1].src = imgFile1
		return false
}


function DetectBrowser()
{
  var version = 0;
  if (navigator.userAgent.indexOf("Mozilla/3.0") != -1) version = 3;
  else if (navigator.userAgent.indexOf("Mozilla/4.0") != -1) version = 3;
  else if (navigator.userAgent.indexOf("Mozilla/2.0") != -1) version = 2;
  else if (navigator.userAgent.indexOf("MSIE") != -1) version = 1;
  else version = 0;
  return version;
}


agent = navigator.userAgent
browserVer = DetectBrowser();
// preload universal images:
if (browserVer == 3)
{
//images declarations
        var nav_homeNormImg = new Image(60,25)
        var nav_homeOverImg = new Image(60,25)
        var nav_examplesNormImg = new Image(110,25)
        var nav_examplesOverImg = new Image(110,25)
		var nav_clientsNormImg = new Image(89,25)
        var nav_clientsOverImg = new Image(89,25)
		var nav_contactNormImg = new Image(132,25)
        var nav_contactOverImg = new Image(132,25)
		var nav_galleryNormImg = new Image(102,25)
        var nav_galleryOverImg = new Image(102,25)
		
//Rollover image sources	
		nav_homeNormImg.src = "images/topMenuHome.gif"
        nav_homeOverImg.src = "images/topMenuHome_on.gif"
 		nav_examplesNormImg.src = "images/topMenuExamples.gif"
        nav_examplesOverImg.src = "images/topMenuExamples_on.gif"
       	nav_clientsNormImg.src = "images/topMenuClients.gif"
        nav_clientsOverImg.src = "images/topMenuClients_on.gif"
		nav_contactNormImg.src = "images/topMenuContact.gif"
        nav_contactOverImg.src = "images/topMenuContact_on.gif"
		nav_galleryNormImg.src = "images/topMenuGallery.gif"
        nav_galleryOverImg.src = "images/topMenuGallery_on.gif"
		
}