function setMenuRollovers(){

	var menu_images = document.getElementsByTagName('img');
	
	for(var i = 0; i < menu_images.length; i++){
		if(menu_images[i].className == 'menu_item'){
			menu_images[i].onmouseover = mover;
			menu_images[i].onmouseout = mout;
		}

	}

}

function mover(){

	//alert(this.id);
	this.src = 'images/menu/active-' + this.id + '.gif';
	
}

function mout(){

	this.src = 'images/menu/inactive-' + this.id + '.gif';
	
}

function setActiveMenuItem(imgID){

	document.getElementById(imgID).src = 'images/menu/active-' + imgID + '.gif';
	document.getElementById(imgID).onmouseout = null;
	
}