function openWin(wFile, wName, wWidth, wHeight, wScrolling)
{
	myWin=window.open(wFile, wName, 'width='+wWidth+',height='+wHeight+',scrollbars='+wScrolling);
	myWin.moveTo((screen.width/2)-(wWidth/2),(screen.height/2)-(wHeight/2));
	myWin.focus();
}

//change location of Window opener
function OpenParent(url)
{
	parent.window.opener.location.href=url;
}


//roll over 
function RollImg(imageName, imageUrl) {
	// rollover teil fur die laender navigation
	oImg = document.getElementById(imageName);
	if(oImg!=null)
		oImg.setAttribute("src", imageUrl);
}

function changeStyle(obj, cssClass)
{
	//alert(obj)
	obj.className = cssClass;
}

function checkTextareaLength(obj, maxLength)
{
	if (obj.value.length > maxLength)
	{
		obj.value = obj.value.substring(0,maxLength);
	}

}