old_menu = '';
old_menu1 = '';
menu_left = 0;

function show(i, l) {
	show1('', 0);
	if(old_menu) {
		document.getElementById(old_menu).style.visibility = 'hidden';
		old_menu = '';
	}
	if(i && document.getElementById(i)) {
		document.getElementById(i).style.left = (l + menu_left)+"px";
		document.getElementById(i).style.visibility = 'visible';
		old_menu = i;
	}
}

function show1(i, l) {
	if(old_menu1) {
		document.getElementById(old_menu1).style.visibility = 'hidden';
		old_menu1 = '';
	}
	if(i && document.getElementById(i)) {
		document.getElementById(i).style.left = (l + menu_left)+"px";
		document.getElementById(i).style.visibility = 'visible';
		old_menu1 = i;
	}
}

function resiz() {		
	if (document.layers){
		browseWidth=window.outerWidth;
	}
	else {
		browseWidth=document.body.clientWidth;
	}

	menu_left = (browseWidth - 777) / 2;
	if(menu_left < 0) menu_left = 0;

	show('', 0);
	show1('', 0);
}

window.onload = resiz;
window.onresize = resiz;