// Javascript Functions

// Toggle area
function toggleLayerDisplay(nr) {
	if (document.all)
		document.all[nr].style.display = (document.all[nr].style.display == 'none') ? 'block' : 'none';
	else if (document.getElementById)
		document.getElementById(nr).style.display = (document.getElementById(nr).style.display == 'none') ? 'block' : 'none';
}

// JavaScript helper required to detect Flash Player PlugIn version information
function GetSwfVer(){
	// NS/Opera version >= 3 check for Flash plugin in plugin array
	var flashVer = -1;
	
	if (navigator.plugins != null && navigator.plugins.length > 0) {
		if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
			var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
			var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
			var descArray = flashDescription.split(" ");
			var tempArrayMajor = descArray[2].split(".");			
			var versionMajor = tempArrayMajor[0];
			var versionMinor = tempArrayMajor[1];
			var versionRevision = descArray[3];
			if (versionRevision == "") {
				versionRevision = descArray[4];
			}
			if (versionRevision[0] == "d") {
				versionRevision = versionRevision.substring(1);
			} else if (versionRevision[0] == "r") {
				versionRevision = versionRevision.substring(1);
				if (versionRevision.indexOf("d") > 0) {
					versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
				}
			}
			var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
			if (versionMajor < 9) {
				var remark = "\n\nYou Need to Upgrade Your Flash Version!";
			} else {
				var remark = "\n\nYour Version of Flash is Acceptable.";
			}
			alert("Your Current Version of Flash is: "+flashVer+remark);
		}
	}
	// MSN/WebTV 2.6 supports Flash 4
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
	// WebTV 2.5 supports Flash 3
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
	// older WebTV supports Flash 2
	else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
	else if ( isIE && isWin && !isOpera ) {
		flashVer = ControlVersion();
	}	
	return flashVer;
}

// LIST RE-ORDER FUNCTIONS

function outputList(ar, name, size) {
 var strIDs = "<SELECT SIZE=\"" + size + "\" NAME=\"ro_lst" + name + "\">"
 var sel = " SELECTED"
 for (var i=0;i<ar.length;i++) {
  strIDs += "<OPTION " + sel + " VALUE=\"" + ar[i][0] + "\">" + ar[i][1]
  sel = ""
 }
 strIDs+="</SELECT>"
 strIDs+="<INPUT NAME=\"" + name + "\" TYPE=hidden>"
 return strIDs
}

function outputButton(bDir,name,val) {
 return "<INPUT TYPE=button VALUE=\"" + val + "\" ONCLICK=\"move(this.form," + bDir + ",'" + name + "')\">"
}

function move(f,bDir,sName) {
 var el = f.elements["ro_lst" + sName]
 var idx = el.selectedIndex
 if (idx==-1) 
  alert("You must first select the item to reorder.")
 else {
  var nxidx = idx+( bDir? -1 : 1)
  if (nxidx<0) nxidx=el.length-1
  if (nxidx>=el.length) nxidx=0
  var oldVal = el[idx].value
  var oldText = el[idx].text
  el[idx].value = el[nxidx].value
  el[idx].text = el[nxidx].text
  el[nxidx].value = oldVal
  el[nxidx].text = oldText
  el.selectedIndex = nxidx
 }
}

function processForm(f) {
 for (var i=0;i<f.length;i++) {	
  var el = f[i]
  if (el.name.substring(0,6)=="ro_lst") {
   var strIDs = ""
   for (var j=0;j<f[i].options.length;j++)
     strIDs += f[i].options[j].value + ", "
   f.elements[f.elements[i].name.substring(6)].value = strIDs.substring(0,strIDs.length-2)
  }
 }
}