function  preloadImages(){
	pic1  = new Image(1,1); 
	pic1.src="assets/gfx/facebook_on.jpg";
	pic2  = new Image(1,1); 
	pic2.src="assets/gfx/google_on.jpg";
	pic3  = new Image(1,1);
	pic3.src="assets/gfx/twitter_on.jpg";
	pic4  = new Image(1,1);
	pic4.src="assets/gfx/windows_on.jpg";
	pic5  = new Image(1,1);
	pic5.src="assets/gfx/yahoo_on.jpg";
	pic6  = new Image(1,1);
	pic6.src="assets/gfx/nav_1_on.jpg";
	pic7  = new Image(1,1);
	pic7.src="assets/gfx/nav_2_on.jpg";
	pic8  = new Image(1,1);
	pic2.src="assets/gfx/nav_3_on.jpg";
	pic9  = new Image(1,1);
	pic2.src="assets/gfx/nav_4_on.jpg";
	pic10 = new Image(1,1);
	pic2.src="assets/gfx/nav_5_on.jpg";
	pic11 = new Image(1,1);
	pic11.src="assets/gfx/nav_6_on.jpg";
	pic12 = new Image(1,1);
	pic12.src="assets/gfx/nav_7_on.jpg";
	pic13 = new Image(1,1);
	pic13.src="assets/gfx/myspace_on.jpg";
}

function setSection(sectionID){
	switch(sectionID){
	case 1:
		// show facebook
		document.getElementById("facebookWidget").style.display = "block";
		document.getElementById("flickrWidget").style.display   = "none";
		document.getElementById("twitterfeed").style.display    = "none";
		document.getElementById("twitterfeed").style.top = -12;
	  break;
	case 2:
		// show flickr
		document.getElementById("facebookWidget").style.display = "none";
		document.getElementById("flickrWidget").style.display   = "block";
		document.getElementById("twitterfeed").style.display    = "none";
		document.getElementById("twitterfeed").style.top = -12;
	  break;
	case 3:
		// show twitter
		document.getElementById("facebookWidget").style.display = "none";
		document.getElementById("flickrWidget").style.display  = "none";
		document.getElementById("twitterfeed").style.display   = "block";
		document.getElementById("twitterfeed").style.top = -12;
	  break;	  
	default:
		// do nothing
	}
}
function initIE(){
	document.getElementById("twitterfeed").style.top = 0;
}