function roll(img_name, img_src)
   {
   document[img_name].src = img_src;
   }
function writeText(txt)
{
document.getElementById("desc").innerHTML=txt;
}


var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose; 

function makeArray(n) {
this.length = n
return this
}
monthNames = new makeArray(12)
monthNames[1] = "Januar"
monthNames[2] = "Februar"
monthNames[3] = "Mars"
monthNames[4] = "April"
monthNames[5] = "Mai"
monthNames[6] = "Juni"
monthNames[7] = "Juli"
monthNames[8] = "August"
monthNames[9] = "September"
monthNames[10] = "Oktober"
monthNames[11] = "November"
monthNames[12] = "Desember"
function dateString(oneDate) {
var theMonth = monthNames[oneDate.getMonth() + 1]
var theYear = oneDate.getFullYear()
return oneDate.getDate() + " " + theMonth + ", " + theYear
}