
 <!--
 
    //------------- Preload images ------------
    if (document.images) {
      nav1     = new Image();
      nav1.src = "../images/navsq.gif";
      nav2     = new Image();
      nav2.src = "../images/navsq-over.gif";
    }
    //--------------Functions --------------
    function setImage (zName , zObj) {
      if (document.images)
        zName.src = zObj.src;
    }
  //--> 
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		services_over = newImage("../images/services-over.gif");
		casestudies_over = newImage("../images/case-studies-over.gif");
		whysem_over = newImage("../images/why-sem-over.gif");
		pricing_over = newImage("../images/pricing-over.gif");
		preloadFlag = true;
	}
}