// IE PNG Transperancy
if (navigator.appName.indexOf("Explorer") != -1)
{

        function correctPNG() // correctly handle PNG transparency in Win IE 5.5 or higher.
        {
        for(var i=0; i<document.images.length; i++)
                {
          var img = document.images[i]
          var imgName = img.src.toUpperCase()
          if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
                  {
                 var imgID = (img.id) ? "id='" + img.id + "' " : ""
                 var imgClass = (img.className) ? "class='" + img.className + "' " : ""
                 var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
                 var imgStyle = "display:inline-block;" + img.style.cssText
                 if (img.align == "left") imgStyle = "float:left;" + imgStyle
                 if (img.align == "right") imgStyle = "float:right;" + imgStyle
                 if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
                 var strNewHTML = "<span " + imgID + imgClass + imgTitle
                 + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
                  + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
                 + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>"
                 img.outerHTML = strNewHTML
                 i = i-1
                  }
                }
        }

        function addLoadListener(fn)
        {
                if (typeof window.addEventListener != 'undefined') {
                        window.addEventListener('load', fn, false);
                } else if (typeof document.addEventListener != 'undefined') {
                        document.addEventListener('load', fn, false);
                } else if (typeof window.attachEvent != 'undefined') {
                        window.attachEvent('onload', fn);
                } else {
                        return false;
                }
                return true;
        };

        function attachEventListener(target, eventType, functionRef, capture)
        {
                if (typeof target.addEventListener != "undefined") {
                        target.addEventListener(eventType, functionRef, capture);
                } else if (typeof target.attachEvent != "undefined") {
                        target.attachEvent("on" + eventType, functionRef);
                } else {
                        return false;
                }
                return true;
        };
        addLoadListener(correctPNG);
}

function hideall(){
	document.getElementById("projektleitung").style.display= "none";
	document.getElementById("event").style.display 			= "none";
	document.getElementById("referenten").style.display 	= "none";
	document.getElementById("gaeste").style.display 		= "none";
	document.getElementById("sponsoring").style.display 	= "none";
	document.getElementById("budget").style.display 		= "none";
	document.getElementById("marcom").style.display 		= "none";
	document.getElementById("kreativ").style.display 		= "none";		
}

function show(name){
	if(document.getElementById(name).style.display == "none"){
		document.getElementById("projektleitung").style.display 	= "none";
		document.getElementById("event").style.display 				= "none";
		document.getElementById("referenten").style.display 		= "none";
		document.getElementById("gaeste").style.display 			= "none";
		document.getElementById("sponsoring").style.display 		= "none";
		document.getElementById("budget").style.display 		= "none";
		document.getElementById("marcom").style.display 			= "none";
		document.getElementById("kreativ").style.display 			= "none";
		
		document.getElementById(name).style.display 	= "block";
	}
	else{
		document.getElementById(name).style.display 	= "none";
	}
}

function toggle(id) {
	if( document.getElementById(id).style.display == "none" ) {
		document.getElementById(id).style.display = '';
	} else {
		document.getElementById(id).style.display = 'none';
	}	
}