function show(div){
	
	pageTracker._trackPageview("/kol_web/show_"+div); 
	
	document.getElementById(div).style.left='50%';
	document.getElementById(div).style.top='130px';
	document.getElementById(div).style.visibility='visible';
	showBackground();
	
}

function showBackground() {
	document.getElementById('lightbox_background').style.visibility='visible';
}

function hideBackground() {
	
	document.getElementById('lightbox_background').style.visibility='hidden';
	
}

function showFieldOnly(div){
	
		document.getElementById(div).style.visibility='visible';

}

function switchTo(from, to){
	
	if(from != "none") {
		hide(from);
	}
	
	show(to);
}

function hide(div){
	
	document.getElementById(div).style.left='-100%';
	document.getElementById(div).style.top='-100%';
	document.getElementById(div).style.visibility='hidden';
	
	hideBackground();
}

function hideFieldOnly(div){
	document.getElementById(div).style.visibility='hidden';
}