function swapClass(obj, new_style) { 
  obj.className=new_style;
}
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_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') {
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (val<min || max<val) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}


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);

onLayer = false;
function reposition() {
	var isGecko = (navigator.userAgent.toLowerCase().indexOf('gecko') != -1)?1:0;
	var isMinNS4 = (navigator.appName.indexOf("Netscape") >= 0 && parseFloat(navigator.appVersion)>=4)?1:0;
	var isMinIE4 = (document.all)?1:0;
	if (isGecko == isMinNS4) isMinNS4 = 0;

	var xpos_offset = 0;

	if (isMinIE4) {
		browserWidth = document.body.clientWidth;
		if (browserWidth >= 746) xpos_offset = parseInt((browserWidth - 746)/ 2);
	}
	
	if (isMinNS4 || isGecko) {
		browserWidth = window.innerWidth;
		if (browserWidth >= 746) xpos_offset = parseInt((browserWidth - 746)/2 - 8);
	}
	
	if (navigator.userAgent.indexOf('Netscape6') != -1) xpos_offset = xpos_offset + 1;

	x = xpos_offset + 155;

    if (isMinNS4) {
        document.layers['menuAbout'].left = x;
        document.layers['menuCorporate'].left = x;
        document.layers['menuPrograms'].left = x;
        document.layers['menuNews'].left = x;
        document.layers['menuContact'].left = x;
	}
    else if (isMinIE4) {
        document.all('menuAbout').style.posLeft = x;
        document.all('menuCorporate').style.posLeft = x;
        document.all('menuPrograms').style.posLeft = x;
        document.all('menuNews').style.posLeft = x;
        document.all('menuContact').style.posLeft = x;
    }
    else if (isGecko) {
		document.getElementById('menuAbout').style.left = x;
		document.getElementById('menuCorporate').style.left = x;
		document.getElementById('menuPrograms').style.left = x;
		document.getElementById('menuNews').style.left = x;
		document.getElementById('menuContact').style.left = x;
    }
}

function menuHide(menuItem) {
	onMenu= 'none'
	window.setTimeout("hideNow('" + menuItem + "');",100);
}

function hideNow(menuItem) {
	if (onLayer == false && onMenu != menuItem) {
		reposition();
		if (document.getElementById(menuItem).style.visibility == 'visible') document.getElementById(menuItem).style.visibility = 'hidden';
	}
}

function menuShow(menuItem) {
	//if (onLayer == false) {
		onMenu = menuItem;
		reposition();
		if (document.getElementById(menuItem).style.visibility == 'hidden') document.getElementById(menuItem).style.visibility = 'visible';
	//}
}
window.onresize = reposition;
window.onload = reposition;