activateMenu = function( nav ) {

	if ( document.all && document.getElementById( nav ).currentStyle ) {  

		var navroot = document.getElementById( nav );
		var lis = navroot.getElementsByTagName( "LI" );  

		for ( i = 0; i < lis.length; i++ ) {

			if ( lis[i].lastChild.tagName == "UL" ) {

				lis[i].onmouseover = function() {	
					this.lastChild.style.display = "block";
					this.className = "over";
				}

				lis[i].onmouseout = function() {
					this.lastChild.style.display = "none";
					this.className = "";
				}

			}

		}

	}

}

window.onload = function() {
	activateMenu( 'nav' );
	SI_flashReplacement();
	init();
}