/* navjava.js
 common javascript functions used throughout the site
 hence the being called from the nav */

var TheBrowserName = navigator.appName;
var TheBrowserVersion = parseFloat(navigator.appVersion);

function tdOn(td, location, color){
	td.style.backgroundColor=color;
	if ((TheBrowserName == 'Netscape') && (TheBrowserVersion >= 5)) {
		td.style.cursor="pointer";
	} else {
		td.style.cursor="hand";
	}
	// equivalent to style="cursor:pointer;cursor:hand;"
 	window.status=location;
}
function tdOff(td, location, color){
	td.style.backgroundColor=color;
	td.style.cursor="default";
	window.status=location;
}

function rolloverImage(cellName, imageName){
	if(document.images){
		document[cellName].src = imageName;
	}
}

function SubmitForm(formname) {
	document.forms[formname].submit();
	//  usage  --  href="javascript:SubmitForm('formname');"
}

function ResetForm(formname) {
	document.forms[formname].reset();
	//  usage  --  href="javascript:ResetForm('formname');"
}

function openhelpWin(keyword,ht,wd){
	var x = (screen.width)/(2)-((wd)/(2)), y = (screen.height)/(2)-((ht)/(2));
	var myBars = 'toolbar=no,menubar=no,resizable=yes,scrollbars=no,status=no,location=no';
	var myOptions = 'width=' + wd + ',height=' + ht;
	var myFeatures = myBars + ',' + myOptions;
	var myURL = '/helpinfo.html?keyword=' + keyword;
	var newWin = open(myURL,'myDoc',myFeatures);
	newWin.moveTo(x,y);
	newWin.focus();
}

// old mouseover javascript - get rid of this as soon as possible -- berto_s 12.01.2002
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_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_showHideLayers() { //v3.0
	if (!((TheBrowserName == 'Netscape') && (TheBrowserVersion < 5))) {
		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 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_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_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 createObject(objectDefinition) {
	if(document.all) {
		document.write(objectDefinition);
	} else {
		document.write(objectDefinition);
	}
}
function setFlashWidth(divid, newW){
	document.getElementById(divid).style.width = newW+"px";
}
function setFlashHeight(divid, newH){
	document.getElementById(divid).style.height = newH+"px";		
}
function setFlashSize(divid, newW, newH){
	setFlashWidth(divid, newW);
	setFlashHeight(divid, newH);
}
function canResizeFlash(){
	var ua = navigator.userAgent.toLowerCase();
	var opera = ua.indexOf("opera");
	if( document.getElementById ){
		if(opera == -1) return true;
		else if(parseInt(ua.substr(opera+6, 1)) >= 7) return true;
	}
	return false;
}

function clearSearchBox() // clears search boxes on click
{
	if(document.google.q.value=="Keyword Search") {
		document.google.q.value = "";
	}
}

function pageRedirect(url) {
	window.location.href=url;
	return false;
}

function characterCheck(maxchars) {
	var si = document.edit_job_posting.special_instructions;
	if(si.value.length > maxchars) {
		alert('Too many characters! Please remove '+ (si.value.length - maxchars)+ ' characters from the Special Instructions box.');
		return false;
	} else return true;
}
function sendSnippet(snippet) {
	url = '/snippets.php?snippet_id=' + snippet;
	window.open(url, 'redirect_popup', 'width=650, height=580, left=860, top=130, menubar=no, status=no, location=no, toolbar=no, scrollbars=yes, resizable=yes');
	return false;
}
function clearLocBox() // clears search boxes on click
{
	if(document.google.l.value=="Location") {
		document.google.l.value="";
	}
}
function clearTextBox(formValue) {
	if(document.google.q.value=="Keyword Search") {
		document.google.q.value = "";
	}
	if(document.google.l.value=="Location") {
		document.google.l.value="";
	}
}
function clearZipBox() // clears search boxes on click
{
	if(document.featured_city.featuredZip.value=="Zip Code") {
		document.featured_city.featuredZip.value="";
	}
}
	//Real Media Validation Added CGE 4/14/03
	//--------------------------------------------------------------
	var RMRunCheck = 'http://images.traderonline.com/img/rm_on.gif';
	bAllowRealMedia = true;	
	var imageChecker = new Image();

	function RMnoShow() {
		 bAllowRealMedia = false;
	}

	imageChecker.onerror = RMnoShow;
	imageChecker.src = RMRunCheck;
	
	//---------------------------------------------------------------

///toggled off real media
	//bAllowRealMedia = false;
	var oas='http://ads.traderonline.com/RealMedia/ads/';
	var RN = new String (Math.random());
	var RNS = RN.substring (2,11);
	function DisplayAds(page, sitepage, category, location, keywords, position, width , height) {
		//keywords = '#rm_target_string#';
		
		var oaspage = sitepage + page + '/1' + RNS + '@' + position  + '?' +category + location + keywords;
		
		//Conditional Statement Part of the Real Media Validation
		if (bAllowRealMedia == true) {
			if ( _version < 11 ) {
				document.write ('<a href="' + oas + 'adstream_nx.ads/' + oaspage + '" target="_top"><img src="' + oas + 'adstream_rx.cgi/' + oaspage + '" border="0" width="' + width + '" height="' + '"></a>');
				document.write ('<a href="' + oas + 'adstream_nx.ads/' + oaspage + '" target="_top"><img src="' + oas + 'adstream_nx.ads/' + oaspage + '" border="0" width="' + width + '" height="' + '"></a>');
			}
			else {
				document.write ('<script language="JavaScript1.1" src="' + oas + 'adstream_jx.ads/' + oaspage + '">');
				document.write ('\<\!-- --\>');
				document.write ('\<\/script\>');
				document.write ('\<\!-- --\>');
			}			
		}
	}

function GetXmlHttpObject() {
	var xmlHttp=null;
	try {
		xmlHttp=new XMLHttpRequest();
	} catch(e) {
		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		} catch(e) {
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}
function getVideoPage(thePageToGet,videoID,type) {
	xmlHttp=GetXmlHttpObject();

	if(xmlHttp==null) {alert("Your browser doesn't support AJAX!");return;}

	var url = thePageToGet + videoID + "&type=" + type;

	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}
function video_count(ID, type){
	getVideoPage("http://" + window.location.hostname + "/videocount.php?vid=",ID,type);
}