function getNavBlock( bid ){

	if( bid == 'navSubLeistung' ){
		if(document.getElementById( 'navSubLeistung' ).style.display != 'none')return;
		document.getElementById( 'navImg6' ).src='img/button/a6a.gif';
		document.getElementById( 'navImg3' ).src='img/button/a3c.gif';
		new Effect.Squish( 'navSubReferenz' );
		new Effect.BlindDown( 'navSubLeistung' );
			
	}else if( bid == 'navSubReferenz' ){
		if(document.getElementById( 'navSubReferenz' ).style.display != 'none')return;
		document.getElementById( 'navImg6' ).src='img/button/a6c.gif';
		document.getElementById( 'navImg3' ).src='img/button/a3a.gif';
		new Effect.Squish( 'navSubLeistung' );
		new Effect.BlindDown( 'navSubReferenz' );
			
	}

	return false;
}
function getTextBlock( bid ){
	if( document.getElementById( bid ).style.display != 'none' )new Effect.Squish( bid );
	else new Effect.BlindDown( bid );
	return false;
}

/**** Tooltip ****/
var dw_event = {
  
  add: function(obj, etype, fp, cap) {
    cap = cap || false;
    if (obj.addEventListener) obj.addEventListener(etype, fp, cap);
    else if (obj.attachEvent) obj.attachEvent("on" + etype, fp);
  }, 

  remove: function(obj, etype, fp, cap) {
    cap = cap || false;
    if (obj.removeEventListener) obj.removeEventListener(etype, fp, cap);
    else if (obj.detachEvent) obj.detachEvent("on" + etype, fp);
  }, 

  DOMit: function(e) { 
    e = e? e: window.event;
    e.tgt = e.srcElement? e.srcElement: e.target;
    
    if (!e.preventDefault) e.preventDefault = function () { return false; }
    if (!e.stopPropagation) e.stopPropagation = function () { if (window.event) window.event.cancelBubble = true; }
        
    return e;
  }
  
}
var viewport = {
  getWinWidth: function () {
    this.width = 0;
    if (window.innerWidth) this.width = window.innerWidth - 18;
    else if (document.documentElement && document.documentElement.clientWidth) 
  		this.width = document.documentElement.clientWidth;
    else if (document.body && document.body.clientWidth) 
  		this.width = document.body.clientWidth;
  },
  
  getWinHeight: function () {
    this.height = 0;
    if (window.innerHeight) this.height = window.innerHeight - 18;
  	else if (document.documentElement && document.documentElement.clientHeight) 
  		this.height = document.documentElement.clientHeight;
  	else if (document.body && document.body.clientHeight) 
  		this.height = document.body.clientHeight;
  },
  
  getScrollX: function () {
    this.scrollX = 0;
  	if (typeof window.pageXOffset == "number") this.scrollX = window.pageXOffset;
  	else if (document.documentElement && document.documentElement.scrollLeft)
  		this.scrollX = document.documentElement.scrollLeft;
  	else if (document.body && document.body.scrollLeft) 
  		this.scrollX = document.body.scrollLeft; 
  	else if (window.scrollX) this.scrollX = window.scrollX;
  },
  
  getScrollY: function () {
    this.scrollY = 0;    
    if (typeof window.pageYOffset == "number") this.scrollY = window.pageYOffset;
    else if (document.documentElement && document.documentElement.scrollTop)
  		this.scrollY = document.documentElement.scrollTop;
  	else if (document.body && document.body.scrollTop) 
  		this.scrollY = document.body.scrollTop; 
  	else if (window.scrollY) this.scrollY = window.scrollY;
  },
  
  getAll: function () {
    this.getWinWidth(); this.getWinHeight();
    this.getScrollX();  this.getScrollY();
  }
  
}
var Tooltip = {
    followMouse: true,
    offX: 8,
    offY: 12,
    tipID: "tipDiv",
    showDelay: 100,
    hideDelay: 200,
    
    ready:false, timer:null, tip:null, 
  
    init: function() {  
        if ( document.createElement && document.body && typeof document.body.appendChild != "undefined" ) {
            if ( !document.getElementById(this.tipID) ) {
                var el = document.createElement("DIV");
                el.id = this.tipID; document.body.appendChild(el);
            }
            this.ready = true;
        }
    },
    
    show: function(e, msg) {
        if (this.timer) { clearTimeout(this.timer);	this.timer = 0; }
        this.tip = document.getElementById( this.tipID );
        if (this.followMouse) // set up mousemove 
            dw_event.add( document, "mousemove", this.trackMouse, true );
        this.writeTip("");  // for mac ie
        this.writeTip(msg);
        viewport.getAll();
        this.positionTip(e);
        this.timer = setTimeout("Tooltip.toggleVis('" + this.tipID + "', 'visible')", this.showDelay);
    },
    
    writeTip: function(msg) {
        if ( this.tip && typeof this.tip.innerHTML != "undefined" ) this.tip.innerHTML = msg;
    },
    
    positionTip: function(e) {
        if ( this.tip && this.tip.style ) {
            // put e.pageX/Y first! (for Safari)
            var x = e.pageX? e.pageX: e.clientX + viewport.scrollX;
            var y = e.pageY? e.pageY: e.clientY + viewport.scrollY;
    
            if ( x + this.tip.offsetWidth + this.offX > viewport.width + viewport.scrollX ) {
                x = x - this.tip.offsetWidth - this.offX;
                if ( x < 0 ) x = 0;
            } else x = x + this.offX;
        
            if ( y + this.tip.offsetHeight + this.offY > viewport.height + viewport.scrollY ) {
                y = y - this.tip.offsetHeight - this.offY;
                if ( y < viewport.scrollY ) y = viewport.height + viewport.scrollY - this.tip.offsetHeight;
            } else y = y + this.offY;
            
            this.tip.style.left = x + "px"; this.tip.style.top = y + "px";
        }
    },
    
    hide: function() {
        if (this.timer) { clearTimeout(this.timer);	this.timer = 0; }
        this.timer = setTimeout("Tooltip.toggleVis('" + this.tipID + "', 'hidden')", this.hideDelay);
        if (this.followMouse) // release mousemove
            dw_event.remove( document, "mousemove", this.trackMouse, true );
        this.tip = null; 
    },

    toggleVis: function(id, vis) { // to check for el, prevent (rare) errors
        var el = document.getElementById(id);
        if (el) el.style.visibility = vis;
    },
    
    trackMouse: function(e) {
    	e = dw_event.DOMit(e);
     	Tooltip.positionTip(e);
    }
    
}
function doTooltip(e, ar) {
    if ( typeof Tooltip == "undefined" || !Tooltip.ready ) return;
    var cntnt = wrapTipContent(ar);
    var tip = document.getElementById( Tooltip.tipID );
    Tooltip.show(e, cntnt);
}

function hideTip() {
    if ( typeof Tooltip == "undefined" || !Tooltip.ready ) return;
    Tooltip.hide();
}

function wrapTipContent(ar) {
    var cntnt = "";
    if ( ar[0] ) cntnt += '<div class="img"><img src="' + ar[0] + '"></div>';
    if ( ar[1] ) cntnt += '<div class="txt">' + ar[1] + '</div>';
    return cntnt;
}

/*// tooltip content here
var messages = new Array();
// array elements: image file name, optional text
messages[0] = ['images/balloon.gif', '<div style="text-align:center; font-weight:bolder; font-style:italic">A red balloon</div>'];
messages[1] = ['images/dot-com-btn.gif', 'See &quot;regular&quot; tooltip'];
// an example with no text
messages[2] = ['images/balloon.gif'];

// optional preloader 
var imageHandler = { 
    path:"images/", // path to images
    imgs:[], preload:function() { for(var i=0;arguments[i];i++) {
    var img=new Image(); img.src=this.path+arguments[i]; this.imgs[this.imgs.length]=img;}}
}*/