var leadCount = 0;

function rotateLead()
{
	
	if (leadCount == 4) { leadCount = 1; } else { leadCount = leadCount + 1; }

	if (leadCount == 1) { document.getElementById("leadstory1").className = "visible"; } else { document.getElementById("leadstory1").className = "hidden"; }
	if (leadCount == 2) { document.getElementById("leadstory2").className = "visible"; } else { document.getElementById("leadstory2").className = "hidden"; }
	if (leadCount == 3) { document.getElementById("leadstory3").className = "visible"; } else { document.getElementById("leadstory3").className = "hidden"; }
	if (leadCount == 4) { document.getElementById("leadstory4").className = "visible"; } else { document.getElementById("leadstory4").className = "hidden"; }
	
}

function startLead()
{
	leadInt = window.setInterval("rotateLead()", 8000);
	
	document.getElementById("leadstop1").style.display = "inline";
	document.getElementById("leadstop2").style.display = "inline";
	document.getElementById("leadstop3").style.display = "inline";
	document.getElementById("leadstop4").style.display = "inline";
	
	document.getElementById("leadplay1").style.display = "none";
	document.getElementById("leadplay2").style.display = "none";
	document.getElementById("leadplay3").style.display = "none";
	document.getElementById("leadplay4").style.display = "none";
}

function stopLead()
{
	window.clearInterval(leadInt);
	
	document.getElementById("leadstop1").style.display = "none";
	document.getElementById("leadstop2").style.display = "none";
	document.getElementById("leadstop3").style.display = "none";
	document.getElementById("leadstop4").style.display = "none";
	
	document.getElementById("leadplay1").style.display = "inline";
	document.getElementById("leadplay2").style.display = "inline";
	document.getElementById("leadplay3").style.display = "inline";
	document.getElementById("leadplay4").style.display = "inline";
}

function jumpLead(newLead)
{
	window.clearInterval(leadInt);
	leadCount = newLead;
	leadInt = window.setInterval("rotateLead()", 8000);
	
	if (newLead == 1) { document.getElementById("leadstory1").className = "visible"; } else { document.getElementById("leadstory1").className = "hidden"; }
	if (newLead == 2) { document.getElementById("leadstory2").className = "visible"; } else { document.getElementById("leadstory2").className = "hidden"; }
	if (newLead == 3) { document.getElementById("leadstory3").className = "visible"; } else { document.getElementById("leadstory3").className = "hidden"; }
	if (newLead == 4) { document.getElementById("leadstory4").className = "visible"; } else { document.getElementById("leadstory4").className = "hidden"; }
	
	document.getElementById("leadstop1").style.display = "inline";
	document.getElementById("leadstop2").style.display = "inline";
	document.getElementById("leadstop3").style.display = "inline";
	document.getElementById("leadstop4").style.display = "inline";
	
	document.getElementById("leadplay1").style.display = "none";
	document.getElementById("leadplay2").style.display = "none";
	document.getElementById("leadplay3").style.display = "none";
	document.getElementById("leadplay4").style.display = "none";
}




function swapTabs(parentID,tabID)
{
	var tabs = document.getElementById(parentID).getElementsByTagName("nobr");
	var pointers = document.getElementById(parentID).getElementsByTagName("img");
	
	// Set new tab class value
	for (i=0; i < tabs.length; i++)
	{		
		count = i + 1;
		newTabID = eval("'tab"+count+"'");
		
		if (tabID == newTabID) 
		{ 
			tabs[i].parentNode.className = "on";
		}
		
		else 
		{ 
			tabs[i].parentNode.className = "off";
		}
	}
	
	// Change pointer position
	for (i=0; i < pointers.length; i++)
	{		
		count = i + 1;
		newTabID = eval("'tab"+count+"'");
		
		if (tabID == newTabID) 
		{ 
			pointers[i].className = "visible";
		}
		
		else 
		{ 
			pointers[i].className = "hidden";
		}
	}
	
	// Change tab content
	for (i=0; i < tabs.length; i++)
	{		
		count = i + 1;
		newTabID = eval("'tab"+count+"'");
		
		if (tabID == newTabID) 
		{ 
			eval("document.getElementById('"+parentID+count+"content').className = 'visible';");
		}
		
		else 
		{ 
			eval("document.getElementById('"+parentID+count+"content').className = 'hidden';");
		}
	}
}