// JavaScript Document

var status="hidden";
var downpos = -22;
var pos = -22;
// toppos muss ein vielfaches von 22 sein!
var toppos;
var timer;


var DHTML = (document.getElementById || document.all || document.layers);

function getObj(name) {
	
 if (document.all) {
	// IE7
	
	this.obj = document.all[name];
	this.style = document.all[name].style;
  
  } else if (document.getElementById) {
	  // Safari, Firefox aber auch IE7!!
	  
    this.obj = document.getElementById(name);
	this.style = document.getElementById(name).style;

  } else if (document.layers) {
	  
   	this.obj = document.layers[name];
   	this.style = document.layers[name];
  }
}

function move_tt(amount)
{
	if (!DHTML) return;
	var x = new getObj('tabtext');
	pos += amount;
	x.style.top = pos;
}


function InitTextTab() {
	move_tt(0);
	pos = downpos;
}


function AnimateTextTab(top) {
	
	toppos = top;
	
	if (status=="hidden") {
	
		clearInterval(timer);
		timer = setInterval("TextTab_MoveUp()", 1);
		
	} else if (status=="visible") {
	
		clearInterval(timer);
		timer = setInterval("TextTab_MoveDown()", 30);
	}
}



function TextTab_MoveUp() {
	
	if (pos == toppos) {
		
		clearInterval(timer);
		arrow.src="images/slices/tab_showtext_03.gif";
		status="visible";
	} 
	
	if (!DHTML) return;
	var x = new getObj("tabtext");
	x.style.top = pos;
	pos += downpos;
	
}



function TextTab_MoveDown() {
	
	pos -= downpos;  //pos wurde bei TextTab_MoveUp am Ende noch um downpos erhöht.
	
	if (pos == downpos) {
		
		clearInterval(timer);
		arrow.src="images/slices/tab_showtext_02.gif";
		status="hidden";
	} 
	
	if (!DHTML) return;
	var x = new getObj("tabtext");
	x.style.top = pos;
	pos -= downpos;
}