// Check whether string s is empty.
function isEmpty(s) {
   return ((s == null) || (s.length == 0))
}

function invalidchar(s) {
   var charlist = "!@#";
   var i = 0;

   while (i < charlist.length) {
     if (s.indexOf(charlist.charAt(i)) != -1) {
        return false;
     }
     i ++;
   } 
   return true;
}

function validfld(form){
   var passed = false
  
   if (isEmpty(form.UserRestriction.value)) {
      alert("Search field cannot be blank");
      form.UserRestriction.focus();
   } 
//   else if (invalidchar(form.UserRestriction.value) == false) {
//      alert("Search field do not accept invalid characters");
//      form.UserRestriction.focus();
//   }
   else {
      passed = true; 
   }
   return passed;
}

if (document.images) {
	about_on = new Image(); about_on.src = "../images/butabout_on.jpg";
	about_off = new Image(); about_off.src = "../images/butabout_off.jpg";
	products_on = new Image(); products_on.src = "../images/butproducts_on.jpg";
	products_off = new Image(); products_off.src = "../images/butproducts_off.jpg";
	partners_on = new Image(); partners_on.src = "../images/butpartners_on.jpg";
	partners_off = new Image(); partners_off.src = "../images/butpartners_off.jpg";
	news_on = new Image(); news_on.src = "../images/butnews_on.jpg";
	news_off = new Image(); news_off.src = "../images/butnews_off.jpg";
	support_on = new Image(); support_on.src = "../images/butsupport_on.jpg";
	support_off = new Image(); support_off.src = "../images/butsupport_off.jpg";
	careers_on = new Image(); careers_on.src = "../images/butcareers_on.jpg";
	careers_off = new Image(); careers_off.src = "../images/butcareers_off.jpg";
	sitemap_on = new Image(); sitemap_on.src = "../images/butsitemap_on.jpg";
	sitemap_off = new Image(); sitemap_off.src = "../images/butsitemap_off.jpg";
	contact_on = new Image(); contact_on.src = "../images/butcontact_on.jpg";
	contact_off = new Image(); contact_off.src = "../images/butcontact_off.jpg";
}
	
function switchImg(place, image) {
	if (document.images) {
		place.src=image.src;
	}
}


/* Extension written by David G. Miles (http://www.z3roadster.net/dreamweaver/) */
// Courtesy of SimplytheBest.net (http://simplythebest.net/info/dhtml_scripts.html)

function verifyCompatibleBrowser(){ 
    this.ver=navigator.appVersion 
    this.dom=document.getElementById?1:0 
    this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0; 
    this.ie4=(document.all && !this.dom)?1:0; 
    this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
    this.ns4=(document.layers && !this.dom)?1:0; 
    this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5) 
    return this 
} 
bw=new verifyCompatibleBrowser() 
  
var speed=100 
var loop, timer 
 
function ConstructObject(obj,nest){ 
    nest=(!nest) ? '':'document.'+nest+'.' 
    this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0; 
    this.css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0; 
    this.scrollHeight=bw.ns4?this.css.document.height:this.el.offsetHeight 
    this.clipHeight=bw.ns4?this.css.clip.height:this.el.offsetHeight 
    this.up=MoveAreaUp;this.down=MoveAreaDown; 
    this.MoveArea=MoveArea; this.x; this.y; 
    this.obj = obj + "Object" 
    eval(this.obj + "=this") 
    return this 
} 
function MoveArea(x,y){ 
    this.x=x;this.y=y 
    this.css.left=this.x 
    this.css.top=this.y 
} 
function MoveAreaDown(move){ 
	if(this.y>-this.scrollHeight+objContainer.clipHeight){ 
    this.MoveArea(0,this.y-move) 
    if(loop) setTimeout(this.obj+".down("+move+")",speed) 
	} 
} 
function MoveAreaUp(move){ 
	if(this.y<0){ 
    this.MoveArea(0,this.y-move) 
    if(loop) setTimeout(this.obj+".up("+move+")",speed) 
	} 
} 
function PerformScroll(speed){ 
	if(initialised){ 
		loop=true; 
		if(speed>0) objScroller.down(speed) 
		else objScroller.up(speed) 
	} 
} 
function CeaseScroll(){ 
    loop=false 
    if(timer) clearTimeout(timer) 
} 
var initialised; 
function InitialiseScrollableArea(){ 
    objContainer=new ConstructObject('divContainer') 
    objScroller=new ConstructObject('divContent','divContainer') 
    objScroller.MoveArea(0,0) 
    objContainer.css.visibility='visible' 
    initialised=true; 
} 

function displayStatusMsg(msgStr) { 
  status=msgStr;
  document.returnValue = true;
}

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

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

function findObj(n, d) { 
  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=findObj(n,d.layers[i].document); return x;
}

function swapImage() { 
  var i,j=0,x,a=swapImage.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


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


function makeMonthArray() 
  {
    this.length=12;
    this[1] = "Jan", this[2] = "Feb"; this[3] = "Mar";
    this[4] = "Apr", this[5] = "May"; this[6] = "Jun";
    this[7] = "Jul", this[8] = "Aug"; this[9] = "Sep";
    this[10] = "Oct", this[11] = "Nov"; this[12] = "Dec";
    return(this);
  }

function makeDayArray() 
  {
    this.length=7;
    this[1] = "Sunday", this[2] = "Monday"; this[3] = "Tuesday";
    this[4] = "Wednesday", this[5] = "Thursday"; this[6] = "Friday";
    this[7] = "Saturday";
    return(this);
  }

function writeDate() 
  {
    attdate = new Date();
    monthName = new makeMonthArray();
    dayName = new makeDayArray();
    day = attdate.getDay() + 1;
    date = attdate.getDate();
    month = attdate.getMonth() + 1;
    year = attdate.getYear();
    sec = attdate.getSeconds()
    if (90 <= year && year < 2000) 
    {
      year = "19" + year;
    }
    dateStr  = dayName[day];
    dateStr += ", ";
    dateStr += " ";
    dateStr += monthName[month];
    dateStr += " ";
    dateStr += date;
    document.write(dateStr);
  }