// Changes picture
function doPic(imgName) {
imgOn = ("" + imgName);
document.mainpic.src = imgOn;
}

// Hides div
function collapsElement(id) {
    if ( document.getElementById(id).style.display != "none" ) {
        document.getElementById(id).style.display = 'none';
    }
    else {
        document.getElementById(id).style.display = '';
    }
}

// Dropdown menu
jsHover = function() {
		var hEls = document.getElementById("menu").getElementsByTagName("li");
		for (var i=0, len=hEls.length; i<len; i++) {
		hEls[i].onmouseover=function() { this.className+=" jshover"; }
		hEls[i].onmouseout=function() { this.className=this.className.replace(" jshover", ""); }
		}
	}
if (window.attachEvent && navigator.userAgent.indexOf("Opera")==-1) window.attachEvent("onload", jsHover);