var mnu_array = new Array("mnu_home", "mnu_news", "mnu_products", "mnu_applications", "mnu_events", "mnu_references"); 
var currentMnuItem = "mnu_home";
function setFirstMenuActive(id){
	currentMnuItem = id;
	document.images[id].src = '../_gfx/' + id + '_g.jpg';
	if(currentMnuItem != 'mnu_home'){
		document.images['mnu_home'].src = "../_gfx/mnu_home_b.jpg";
		}
	}

function imgRestoreAll(){ 
	for (var x=0; x<mnu_array.length; x++){
		document.images[mnu_array[x]].src = "../_gfx/" + mnu_array[x] + "_b.jpg";
	}
}

function onMouseOver(id){
	document.images[id].src = "../_gfx/" + id + "_g.jpg";
}
	
function onMouseOut(id){
	if(currentMnuItem !=id){
		document.images[id].src = "../_gfx/" + id + "_b.jpg";
	}
}

function onClick(id){
	restorePreviousImage();
	currentMnuItem = id;
	document.images[id].src = "../_gfx/" + id + "_g.jpg";
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function restorePreviousImage(){
	document.images[currentMnuItem].src = "../_gfx/" + currentMnuItem + "_b.jpg";
	}