/************************************************************************************************  
  Wechselbilder laden
************************************************************************************************/
 var Wechselbilder = new Array("../images/nav/nav_0.gif",
                              "../images/nav/nav_0_a.gif",
							  "../images/nav/nav_1.gif",
							  "../images/nav/nav_1_a.gif",
							  "../images/nav/nav_2.gif",
							  "../images/nav/nav_2_a.gif",
							  "../images/nav/nav_3.gif",
							  "../images/nav/nav_3_a.gif");

 function preloadImages() {
	  if(document.images) {
		  document.imgpreload = new Array();
		  var array = preloadImages.arguments
		  for(i=0; i<array.length; i++) {
			  document.imgpreload[i] = new Image;
			  document.imgpreload[i].src = array[i];
		  }
	  }
  }
  
/************************************************************************************************  
  MouseOver
************************************************************************************************/
  
  function swapImage(doc, imgName, imgUrl, imgText) {
	  if(imgText!="") { window.status = imgText; }
  	if(doc.images) {
	    doc.images [imgName].srcORG = doc.images [imgName].src;
		doc.images [imgName].src = imgUrl;
	  }
  }
  function swapImageRestore(doc, imgName) {
	  window.status = '';
	  if(doc.images) {
		  doc.images [imgName].src = doc.images [imgName].srcORG;
	  }
  }

/************************************************************************************************  
  Hintergrund wechseln styles:
************************************************************************************************/
function wechseln(x) {
 
 if(document.getElementById(x).className == "nav" && document.getElementById(x).className !== "navAktiv" && document.getElementById(x).className !== "navPfad0" && document.getElementById(x).className !== "navPfad1")
  document.getElementById(x).className = "navPfadh";

}

function wechselnBack(x) {
var a_class = document.getElementById(x).className;

switch(a_class) {
 case "navAktiv":
 document.getElementById(x).className = "navAktiv";
 break;
 case "navPfad0":
 document.getElementById(x).className = "navPfad0";
 break;
 case "navPfad1":
 document.getElementById(x).className = "navPfad1";
 break;
 default:
 document.getElementById(x).className = "nav";
 break;
}
}


/************************************************************************************************  
 :
************************************************************************************************/