/*
 * Function: Simple Layer-Script for the Navigation
 * Author: Oliver Arnoczky, UPDATE AG
 * Date: 06-13-2003
 * Purpose: This Navigation script is only used for the HTML-Prototyping an can be replaced afterwards, if needed
 */


/* Browserabfrage: Layer-Object bekannt? */
if (document.layers)
      {ns = 1; ie = 0;}
else  {ns = 0; ie = 1;}


function browserCheck()
{
	// Based on concepts discussed at http://developer.apple.com/internet/javascript/nn6dhtml.html
	if (!document.getElementById) {
		//window.location = "/upgrade.html";
  		alert("This browser is not compliant with the W3C Document Object Model standard!\nAs a result, these pages may not display properly.\nTo ensure the best browsing experience, please upgrade your browser.");
	}
}

/* Funktion Dokument initialisieren - nicht notwendig */
function init() {if (ns) layer = document.Layer1;
                 if (ie) layer = Layer1.style;
				 }

// mouse out -> closeMenu
function menuOut(layerx)
{
   hideLayer(layerx);
}

// mouseover -> openMenu
function menuIn(layerx,y)
{

  displayLayer(layerx);
}


// layerfunctions

function Is()
{

	var agent = navigator.userAgent.toLowerCase();

	this.major = parseInt(navigator.appVersion);
	this.minor = parseFloat(navigator.appVersion);

	this.ns = ((agent.indexOf('mozilla')!=-1) && (agent.indexOf('spoofer')==-1) && (agent.indexOf('compatible') == -1) );
	this.ns2 = (this.ns && (this.major == 2));
	this.ns3 = (this.ns && (this.major == 3));
	this.ns4b = (this.ns && (this.minor < 4.04));
	this.ns4 = (this.ns && (this.major >= 4));
	this.ns6 = (this.ns && (this.major >= 6));

	this.ie = (agent.indexOf('msie') != -1);
	this.ie3 = (this.ie && (this.major == 2));
	this.ie4 = (this.ie && (this.major >= 4));
	this.op3 = (agent.indexOf('opera') != -1);
	this.ver5m=(this.major >= 5);

}
        var is = new Is();

        function displayLayer(lname) {
        	vis='visible';   estr='';
       	if (!is.ver5m) {
        		 if (is.ie) estr='document.all["'+lname+'"].style.visibility="'+vis+'"';
        		 if (is.ns6) estr='document.layers.'+lname+'.visibility="'+vis+'"';
        		 eval(estr);
        		 }
        	else document.getElementById(lname).style.visibility=vis;
        	}


        function hideLayer(lname) {
        	vis='hidden';   estr='';
        	if (!is.ver5m) {
        		if (is.ie) estr='document.all["'+lname+'"].style.visibility="'+vis+'"';
        		if (is.ns6) estr='document.layers.'+lname+'.visibility="'+vis+'"';
        		eval(estr);
        		}
        	else document.getElementById(lname).style.visibility=vis;
        	}


if (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion.substring(0,1)) >=3))
      || ((navigator.appName == "Microsoft Internet  Explorer")&&(parseInt(navigator.appVersion.substring(0,1)) >=4)))
      {var version=true}


// nop = do nothing = no operation
function nop()
{

}