var timf;

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function time_off() { // Required to timeout drop-downs on NS 4.x browsers
	if ((navigator.appName=="Netscape")&&(parseInt(navigator.appVersion)<5)) {
		timf = window.setTimeout('sub_nav_off()',3000);
	}
	else {
		sub_nav_off();
	}
}

function sub_nav_off() {
	MM_swapImgRestore();
	MM_showHideLayers('dropone','','hide','droptwo','','hide','dropthree','','hide','dropfour','','hide','dropfive','','hide');
}

function dropnav(box) {
	box.className='dropnavon';
}

function dropnavoff(box) {
	box.className='dropnavoff';
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

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 MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

// Styles must be written out this way to accomodate NS4 differences

document.write('<style type="text/css">');
if ((navigator.appName=="Netscape")&&(parseInt(navigator.appVersion)<5)) {
	document.write('.dropnavmenu {');
	document.write('position:absolute; top:29px; z-index:4; visibility: hidden; background-color: #4d4d4d;');
	document.write('}');
	document.write('a.dropnavlink {');
	document.write('color: #FFFFFF; font-family: verdana,helvetica,arial,sans-serif; font-size: 9pt; margin-left: 8px; margin-right: 8px; text-decoration: none;');
	document.write('}');
}
else {
	document.write('.dropnavmenu {');
	document.write('position:absolute; top:29px; z-index:4; visibility: hidden; background-color: #000000;');
	document.write('}');
	document.write('a.dropnavlink {');
	document.write('color: #FFFFFF; font-family: verdana,helvetica,arial,sans-serif; font-size: 8pt; margin-left: 8px; margin-right: 8px; text-decoration: none;');
	document.write('}');
}
document.write('</style>');

function hnav_swap(tsection) {
	window.clearTimeout(timf);
	sub_nav_off();
	if (tsection == '1') {
		MM_swapImage('hnav_about','','/en/global_images/hdr_nav_about_on.gif',0);
		MM_showHideLayers('dropone','','show');
	}
	else if (tsection == '2') {
		MM_swapImage('hnav_projects','','/en/global_images/hdr_nav_projects_on.gif',0);
		MM_showHideLayers('droptwo','','show');
	}
	else if (tsection == '3') {
		MM_swapImage('hnav_products','','/en/global_images/hdr_nav_products_on.gif',0);
		MM_showHideLayers('dropthree','','show');
	}
	else if (tsection == '4') {
		MM_swapImage('hnav_publications','','/en/global_images/hdr_nav_publications_on.gif',0);
		MM_showHideLayers('dropfour','','show');
	}
	else if (tsection == '5') {
		MM_swapImage('hnav_support','','/en/global_images/hdr_nav_support_on.gif',0);
		MM_showHideLayers('dropfive','','show');
	}
}