function toggleTab (tab, state, section) {
	if (tab!=tabSel)
		document.images[tab].src = "/images/"+section+"/tab/"+tab+"_"+state+".gif";
}

function changeTab (tab, section){
	if (tab==tabSel) return;
	document.images[tabSel].src = "/images/"+section+"/tab/"+tabSel+"_off.gif";
	document.images[tab].src = "/images/"+section+"/tab/"+tab+"_on.gif";

	var divName;
	tabSel = tab;
	var dvar = "tab_"+tab;

	var divTags =  document.getElementsByTagName("div")  ;
	for (var i = 0; i < divTags.length ; i++)	{
		divName = divTags[i].id;
		
		if (divName.substring(0, 3)=="tab") {
			poppedLayer=document.getElementById(divName);
			poppedLayer.style.visibility = "hidden";
			poppedLayer.style.display = "none";
		}

	} 
	
	poppedLayer=document.getElementById(dvar);
	poppedLayer.style.visibility = "visible";
	poppedLayer.style.display = "block";
}


function scrollTab (section, dir){
	document.images[tabSel].src = "/images/"+section+"/tab/"+tabSel+"_off.gif";
	ctab=tabPos[tabSel];
	ntab=ctab+dir;
	if (ntab>ntabs) ntab=0;
	if (ntab<0) ntab=ntabs;
	//alert(ntab);

	tab = tabs[ntab];
	
	document.images[tab].src = "/images/"+section+"/tab/"+tab+"_on.gif";

	var divName;
	tabSel = tab;
	var dvar = "tab_"+tab;

	var divTags =  document.getElementsByTagName("div")  ;
	for (var i = 0; i < divTags.length ; i++)	{
		divName = divTags[i].id;
		
		if (divName.substring(0, 3)=="tab") {
			poppedLayer=document.getElementById(divName);
			poppedLayer.style.visibility = "hidden";
			}

	} 
	
	poppedLayer=document.getElementById(dvar);
	poppedLayer.style.visibility = "visible";
}