var isFF = (navigator.userAgent.indexOf("Firefox") != -1);
var isMac = (navigator.appVersion.indexOf("Mac") != -1);
var isNN4 = document.layers?1:0;
var isIE4 = document.getElementById?0:1;
var isOPR = (navigator.userAgent.indexOf("Opera")!=-1)?1:0;
var isOPR7 = 0;
var isNS6 = (document.getElementById && !document.all && !isOPR)?1:0;
var isNS7 = (navigator.userAgent.indexOf("Netscape/7")!=-1)?1:0;

function doCheckDate(dt){
	var sRE = /\D/g;
	var now = new Date();

	if(dt == ""){
		return(0);
	}

	if(dt.substr(4, 1) != "/" | dt.substr(7, 1) != "/"){
		return(-1);
	}

	if(sRE.test(dt.substr(0, 4)) | sRE.test(dt.substr(5, 2)) | sRE.test(dt.substr(8, 2))){
		return(-1)	;
	}

	if(dt.substr(0, 4) > now.getYear() | dt.substr(5, 2) > 12 | dt.substr(8, 2) > 31){
		return(-1);
	}

	if(dt.substr(5, 2) == 4 | dt.substr(5, 2) == 6 | dt.substr(5, 2) == 9 | dt.substr(5, 2) == 11){
		if(dt.substr(8, 2) > 30){
			return(-1);
		}
	}

	if(dt.substr(5, 2) == 2){
		if(Math.abs(dt.substr(0, 4)) % 4 == 0){
			if(dt.substr(8, 2) > 29){
				return(-1);
			}
		}else{
			if(dt.substr(8, 2) > 28){
				return(-1);
			}
		}
	}

	return(0);
}

function selectOptionByValue (o, v)
{
	for (i=0; i<o.options.length; i++)
	{
		if (o.options[i].value==v)
		{
			o.selectedIndex = i;
			return;	
		}
	}
}

function showPage(page) {
	window.location = page;
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

function goforit()
{

}

function trim(value) {
   var temp = value;
   var obj = /^(\s*)([\W\w]*)(\b\s*$)/;
   if (obj.test(temp)) { temp = temp.replace(obj, '$2'); }
   var obj = /  /g;
   while (temp.match(obj)) { temp = temp.replace(obj, " "); }
   return temp;
}





// The next few functions are probably generated by the designer and are not used in the site.

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_timelinePlay(tmLnName, myID) { //v1.2
  //Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Macromedia, Inc. All rights reserved.
  var i,j,tmLn,props,keyFrm,sprite,numKeyFr,firstKeyFr,propNum,theObj,firstTime=false;
  if (document.MM_Time == null) MM_initTimelines(); //if *very* 1st time
  tmLn = document.MM_Time[tmLnName];
  if (myID == null) { myID = ++tmLn.ID; firstTime=true;}//if new call, incr ID
  if (myID == tmLn.ID) { //if Im newest
    setTimeout('MM_timelinePlay("'+tmLnName+'",'+myID+')',tmLn.delay);
    fNew = ++tmLn.curFrame;
    for (i=0; i<tmLn.length; i++) {
      sprite = tmLn[i];
      if (sprite.charAt(0) == 's') {
        if (sprite.obj) {
          numKeyFr = sprite.keyFrames.length; firstKeyFr = sprite.keyFrames[0];
          if (fNew >= firstKeyFr && fNew <= sprite.keyFrames[numKeyFr-1]) {//in range
            keyFrm=1;
            for (j=0; j<sprite.values.length; j++) {
              props = sprite.values[j];
              if (numKeyFr != props.length) {
                if (props.prop2 == null) sprite.obj[props.prop] = props[fNew-firstKeyFr];
                else        sprite.obj[props.prop2][props.prop] = props[fNew-firstKeyFr];
              } else {
                while (keyFrm<numKeyFr && fNew>=sprite.keyFrames[keyFrm]) keyFrm++;
                if (firstTime || fNew==sprite.keyFrames[keyFrm-1]) {
                  if (props.prop2 == null) sprite.obj[props.prop] = props[keyFrm-1];
                  else        sprite.obj[props.prop2][props.prop] = props[keyFrm-1];
        } } } } }
      } else if (sprite.charAt(0)=='b' && fNew == sprite.frame) eval(sprite.value);
      if (fNew > tmLn.lastFrame) tmLn.ID = 0;
  } }
}

function MM_initTimelines() { //v4.0
    //MM_initTimelines() Copyright 1997 Macromedia, Inc. All rights reserved.
    var ns = navigator.appName == "Netscape";
    var ns4 = (ns && parseInt(navigator.appVersion) == 4);
    var ns5 = (ns && parseInt(navigator.appVersion) > 4);
    document.MM_Time = new Array(1);
    document.MM_Time[0] = new Array(0);
    document.MM_Time["Timeline1"] = document.MM_Time[0];
    document.MM_Time[0].MM_Name = "Timeline1";
    document.MM_Time[0].fps = 15;
    document.MM_Time[0].lastFrame = 0;
    for (i=0; i<document.MM_Time.length; i++) {
        document.MM_Time[i].ID = null;
        document.MM_Time[i].curFrame = 0;
        document.MM_Time[i].delay = 1000/document.MM_Time[i].fps;
    }
}

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_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_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_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 newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		mediareleases_over = newImage("images/media-releases-over.gif");
		industrynews_over = newImage("images/industry-news-over.gif");
		forums_over = newImage("images/forums-over.gif");
		newsletter_over = newImage("images/newsletter-over.gif");
		freelancemarketplace_over = newImage("images/freelance-marketplace-over.gif");
		jobs_over = newImage("images/jobs-over.gif");
		courses_over = newImage("images/courses-over.gif");
		industryevents_over = newImage("images/industry-events-over.gif");
		medialinks_over = newImage("images/media-links-over.gif");
		preloadFlag = true;
	}
}