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) {
		top_applications_over = newImage("images/top_applications-over.gif");
		top_news_over = newImage("images/top_news-over.gif");
		//top_professionals_over = newImage("images/top_professionals-over.gif");
		top_contact_over = newImage("images/top_contact-over.gif");
		top_home_over = newImage("images/top_home-over.gif");
		top_blog_over = newImage("images/top_blog-over.gif");
		preloadFlag = true;
	}
}



//sniffer
function Is() {
  var agent = navigator.userAgent.toLowerCase();
  var is_major = parseInt(navigator.appVersion);
  var is_minor = parseFloat(navigator.appVersion);
  this.ns = ((agent.indexOf('mozilla')!=-1) && ((agent.indexOf('spoofer')==-1) && (agent.indexOf('compatible') == -1)) && (is_major < 5));
  this.ie = (agent.indexOf("msie") != -1);
  this.dom = ((agent.indexOf('mozilla')!=-1) && (agent.indexOf('gecko') != -1) && (is_major >= 5));
}

var is = new Is();



function changeColor(thisID, colorNum){
	if(is.ie) {
		document.all[thisID].style.backgroundColor=colorNum;
	} else if(is.ns) { //stupid old netscape
		document[thisID].bgColor=colorNum;
	} else if(is.dom) {
		document.getElementById(thisID).style.backgroundColor=colorNum;
	}
}




// -->