var peopleBar;
var peopleInnerBar;
var mouseTrap;
var mouseTrap2;

function init() {
	if (!peopleBar) {
		peopleBar = document.getElementById("people");
	}
	
	if (!peopleInnerBar) {
		peopleInnerBar = document.getElementById("innerPeople");		
	}
	
	if (!mouseTrap) {
		mouseTrap = document.getElementById("mouseTrap");	
	}
	
	if (!mouseTrap2) {
		mouseTrap2 = document.getElementById("mouseTrap2");	
	}
}
	
function toggle () {
	init();

	peopleInnerBar.style.display = "none";	
	mouseTrap2.style.display = "block";
	peopleBar.style.backgroundImage = "url(graphics/home/welcome/connect-over.jpg)";	
}

function toggleBack () {
	init();

	peopleBar.style.backgroundImage = "url(graphics/home/welcome/connect2.jpg)";
	peopleInnerBar.style.display = "block";	
	mouseTrap2.style.display = "none";	
}

var index = 0; 
function rotateImage() {
    switch(index) {
        case 0 :
        	document.getElementById('connect').style.display="block";
        	document.getElementById('collaborate').style.display="none";
			break;
        case 1 :
        	document.getElementById('contribute').style.display="block";
        	document.getElementById('connect').style.display="none";
       		break;
        case 2 :
        	document.getElementById('collaborate').style.display="block";
      		document.getElementById('contribute').style.display="none";
        	break;
    }
    if (index == 2) index = 0;
    else index ++;
	setTimeout('rotateImage()', 3000);
}

function displayDescription() {
	document.getElementById('description').style.display="";
	document.getElementById('descLink').style.display="none";
}