// Gets an element by the 'id' attribute
function getElement(name) {
	if (document.layers)
		return document.layers[name];
	else if (document.all)
		return document.all[name];
	else if (document.getElementById)
		return document.getElementById(name);
}

// Random number generator
rnd.today=new Date();
rnd.seed=rnd.today.getTime();

function rnd() {
	rnd.seed = (rnd.seed*9301+49297) % 233280;
    return rnd.seed/(233280.0);
}

function rand(number) {
	return Math.ceil(rnd()*number);
}

function openwindow(where, w, h, menu, location, scroll, toolbar, status, directories, screenX, screenY) {
	return winny = window.open(where, 'ChildWin', 'height=' + h + ',width=' + w + ',menubar=' + (menu == '1' ? 'yes':'no') + ',location=' + (location == '1' ? 'yes':'no') + ',scrollbars=' + (scroll == '1' ? 'yes':'no') + ',toolbar=' + (toolbar == '1' ? 'yes':'no') + ',status=' + (status == '1' ? 'yes':'no') + ',directories=' + (directories == '1' ? 'yes':'no') + ',screenX=' + screenX + ',screeny=' + screenY + ',left=' + screenX + ',top=' + screenY);
}