function showsub(id){

	document.getElementById("sub_nav_"+id).style.display = "block";
	
	for (x=1; x<=5; x++){
		if(id!=x){
		    document.getElementById("sub_nav_"+x).style.display = "none";
		}
	}
} 






function addEvent(obj, evType, fn){ 
	if(obj.addEventListener){ 
		obj.addEventListener(evType, fn, false); 
		return true; 
	}else if(obj.attachEvent){ 
		var r = obj.attachEvent("on"+evType, fn); 
		return r; 
	}else{ 
		return false; 
	} 
}
addEvent(window, 'load', init);

function init(){
	getElements("chartTabs","chartTabs_content","div");
	switcher=setInterval('switchMe("chartTabs","chartTabs_content","div")', 10000);
	clearInterval(switcher);
}

function switchMe(linkContainer, contentContainer, contentElement){
	var links=getLinks(linkContainer);
	var contents=getContent(contentContainer, contentElement);
	for(i=0;i<links.length;i++){
		
		//alert(links[i].innerHTML);
		
		if(links[i].className=="on"){
			var currentPos=getSequence(links[i].id);
		}
	}
	clearClasses(contents);
	clearClasses(links);
	var newPos=parseInt(currentPos)+1;
	//alert(newPos);
	if(newPos==links.length){
		newPos=0;
	}
	var myLink=document.getElementById(linkContainer+"-"+newPos);
	var myContent=document.getElementById(contentContainer+"-"+newPos);
	myLink.className="on";
	myContent.className="show";
}

function getLinks(container){
	var links=document.getElementById(container).getElementsByTagName('a');
	return links;
}

function getContent(container, element){
	var contents=document.getElementById(container).getElementsByTagName(element);
	return contents;
}

function getElements(linkContainer, contentContainer, contentElement){
	var links=getLinks(linkContainer);
	var contents=getContent(contentContainer, contentElement);
	for(i=0;i<links.length;i++){
		links[i].id=linkContainer+"-"+i;
		contents[i].id=contentContainer+"-"+i;
		
		//alert(links[i].innerHTML);
		links[i].onclick=function(){
			clearClasses(contents);
			clearClasses(links);
			this.className="on";
			contents[getSequence(this.id)].className="show";
			clearInterval(switcher)
		}
	}
}

function clearClasses(els){
	for(i=0;i<els.length;i++){
		els[i].className="";
	}
}

function getSequence(id){
	var myId=id.split('-')
	return myId[1];
}