box1 = new Array();
box1[0] = "../../pages/img/h_menu_phi.jpg";
box1[1] = "../../pages/img/h_menu_edu.jpg";
box1[2] = "../../pages/img/h_menu_rsl.jpg";
box1[3] = "../../pages/img/h_menu_evt.jpg";
box1[4] = "../../pages/img/h_menu_std.jpg";
box1[5] = "../../pages/img/h_menu_eqp.jpg";
box1[6] = "../../pages/img/h_menu_crs.jpg";
box1[7] = "../../pages/img/button_junior.jpg";
box1[8] = "../../pages/img/button_1.jpg";
box1[9] = "../../pages/img/button_2.jpg";
box1[10] = "../../pages/img/button_3.jpg";

box2 = new Array();
box2[0] = "../../pages/img/h_menu_phi2.jpg";
box2[1] = "../../pages/img/h_menu_edu2.jpg";
box2[2] = "../../pages/img/h_menu_rsl2.jpg";
box2[3] = "../../pages/img/h_menu_evt2.jpg";
box2[4] = "../../pages/img/h_menu_std2.jpg";
box2[5] = "../../pages/img/h_menu_eqp2.jpg";
box2[6] = "../../pages/img/h_menu_crs2.jpg";
box2[7] = "../../pages/img/button_junior2.jpg";
box2[8] = "../../pages/img/button_12.jpg";
box2[9] = "../../pages/img/button_22.jpg";
box2[10] = "../../pages/img/button_32.jpg";

plImg1 = new Array();
plImg2 = new Array();
for(i=0; i<box1.length; i++) {
  plImg1[i] = new Image();
  plImg1[i].src = box1[i];
  plImg2[i] = new Image();
  plImg2[i].src = box2[i];
}

function rollover(imgno,onout){
	if ( onout == 'out' )
		document.images['menu'+ imgno].src = box1[imgno];
	else
		document.images['menu'+ imgno].src = box2[imgno];
}

var brouse = navigator.userAgent;
function menu(trList){
	if((brouse.indexOf("Netscape")!=-1)||(brouse.indexOf("Firefox")!=-1)){
		trMenu = document.getElementById(trList).style;
		if( trMenu.display != 'block' ){
			trMenu.display = "block";
			for( i = 0; i <= 4; i++ ){
				trMenu_sub = document.getElementById('tmenu'+i).style;
					if( trMenu_sub != trMenu ){
						trMenu_sub.display = "none";
					}
			}
		}
		else{
			trMenu.display = "none";
		}
	}
	else {
		trMenu = trList + '.style';
		trMenu = eval(trMenu);
		if( trMenu.display != 'block' ){
			trMenu.display = "block";
			for( i = 0; i <= 4; i++ ){
				trMenu_sub = 'tmenu' + i + '.style';
					trMenu_sub = eval(trMenu_sub);
					if( trMenu_sub != trMenu ){
						trMenu_sub.display = "none";
					}
			}
		}
		else{
			trMenu.display = "none";
		}
	}

}