// javascript DHMTL - funktionen
// author: alexander stier, cuti & stier gbr


function toggle(div){
/*
	var div1 = document.getElementById(div)
	if (div1.style.display == 'none') {
		div1.style.display = 'block'
	} else {
		div1.style.display = 'none'
	}
*/	
}

function switchNext(starter){
	var divs = document.getElementsByTagName("div");
	var selectionDiv = document.getElementById(starter);
	for(var i = 0; i < divs.length;i++){
		if(divs[i] == selectionDiv){
			//var previous = divs[i - 1];
			if (divs[i+1].style.display == "block") {
				divs[i+1].style.display = "none";
			} else {
				divs[i+1].style.display = "block";
			}
		}
	}
}


function showZusatzImage(starter, event){
  var divs = document.getElementsByTagName("div");
	for(var i = 0; i < divs.length;i++){
		if(divs[i] == starter){

      var scrollYPos;
      var scrollXPos;
      
      if (typeof window.pageYOffset != 'undefined') {
         scrollYPos = window.pageYOffset;
         scrollXPos = window.pageXOffset;
      }
      else if (typeof document.compatMode != 'undefined' &&
           document.compatMode != 'BackCompat') {
         scrollYPos = document.documentElement.scrollTop;
         scrollXPos = document.documentElement.scrollLeft;
      }
      else if (typeof document.body != 'undefined') {
         scrollYPos = document.body.scrollTop;
         scrollXPos = document.body.scrollLeft;
      }

      var topPixel = scrollYPos + event.clientY + 10; 
      var leftPixel = scrollXPos + event.clientX + 25; 
      
      divs[i+1].style.top = topPixel + "px"; 
      divs[i+1].style.left = leftPixel + "px"; 
      divs[i+1].style.display = "block";
		}
	}
}

function hideZusatzImage(starter){
  var divs = document.getElementsByTagName("div");
	for(var i = 0; i < divs.length;i++){
		if(divs[i] == starter){
      divs[i+1].style.top = "0px"; 
      divs[i+1].style.left = "0px"; 
      divs[i+1].style.display = "none"; 
		}
	}
}