/* ------------------------------------------------------------------------------ 

	$Id: nav.js, v. 1.1 - 30.05.2010

	Web: http://www.web-looks.de
	Email: support@web-looks.de
	Copyright (c) 2010 by Jens Justen

------------------------------------------------------------------------------ */


var intDelay = 25;

function changeOpacity(element) {
	
	var objDiv = document.getElementById(element);
	objDiv.style.opacity = 0;
	hTimer = window.setTimeout("changeOpacityLoop('" + element + "')", intDelay);

}

function changeOpacityLoop(element) {

	var objDiv = document.getElementById(element);
	var strOpacity = parseFloat(objDiv.style.opacity);

	if (strOpacity >= 0 && strOpacity < 1) {
		objDiv.style.opacity = strOpacity + 0.1;
	}

	if (parseFloat(objDiv.style.opacity) >= 0 && parseFloat(objDiv.style.opacity) < 1) {
	    hTimer = window.setTimeout("changeOpacityLoop('" + element + "')", intDelay);
	}

}

function changeOverflowHidden(element) {
	
	var objDiv = document.getElementById(element);
	objDiv.style.overflow = "hidden";
	
}

function changeOverflowVisible(element) {
	
	var objDiv = document.getElementById(element);
	objDiv.style.overflow = "visible";
	
}