// JavaScript Document

var menuOpen = new Array();
menuOpen['dating']    = true;
menuOpen['voting']    = true;
menuOpen['ecolab']    = true;
menuOpen['sound']     = true;
menuOpen['lectures']  = true;

var mainOpen = 1;

// change the folder view from closed to open and vice versa
function changeMenu(which) {
    // if the menu is open
    if (menuOpen[which]) {
	// close the folder
	Effect.Squish("menu_" + which);
	// mark the menu as closed
	menuOpen[which] = false; 
	// display the folder as closed
	document.getElementById('img1_' + which).src = "images/elbow-plus.gif";
	document.getElementById('img2_' + which).src = "images/folder.gif";
    } 
    else {
	// open the folder
	Effect.SlideDown("menu_" + which);
	// mark the menu as open
	menuOpen[which] = true;
	// display the folder as open
	document.getElementById('img1_' + which).src = "images/elbow-minus.gif";
	document.getElementById('img2_' + which).src = "images/folder-open.gif";
    }
}

function replaceContent(url) {
	var main_block = document.getElementById('main');
    main_block.onchange = function() {
	    new Effect.SlideUp('main');
	    setTimeout(function() {
		var elem = document.getElementById('myFrame');
		elem.setAttribute('src', url);
		new Effect.SlideDown('main');},
		2000);
	}
}

function setiFrame(path, tag_name) {
	document.getElementById(tag_name).innerHTML = 
	"<iframe id='myFrame' frameborder='1' width='100%' height='100%' src='" + path + "'" + 
            "style='overflow:scroll; border-style:outset;background-color:#FFFFFF;'></iframe>';"
}