// Menü - MouseOver / MouseOut
function fade_in(id,step) {//OnMouseOvers
				document.getElementById(id).style.opacity= step/100;
            	document.getElementById(id).style.filter = "alpha(opacity=" + step + ")"; // IE
				step = step + 1;
            	if (step <= 100)
					{
                	window.setTimeout(function () { fade_in(id,step); }, 1);
            		}
				}

function fade_out(id,step) { //OnMouseOut
				document.getElementById(id).style.opacity= step/100;
            	document.getElementById(id).style.filter = "alpha(opacity=" + step + ")"; // IE
	            step = step - 1;
	        	if (step > 0)
					{
                	window.setTimeout(function () { fade_out(id,step); }, 1);
					}
        		}