var requiredMajorVersion = 7;
var requiredMinorVersion = 0;
var requiredRevision = 0;
var jsVersion = 1.0;

var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;
jsVersion = 1.1;

if (isIE)
{
	document.writeln('<script language="VBScript" type="text/vbscript">');
	document.writeln('Function VBGetSwfVer(i)');
	document.writeln('on error resume next');
	document.writeln('Dim swControl, swVersion');
	document.writeln('swVersion = 0');
	document.writeln('set swControl = CreateObject("ShockwaveFlash.ShockwaveFlash." + CStr(i))');
	document.writeln('if (IsObject(swControl)) then');
	document.writeln('swVersion = swControl.GetVariable("$version")');
	document.writeln('end if');
	document.writeln('VBGetSwfVer = swVersion');
	document.writeln('End Function');
	document.writeln('</script>');
}

function getElmtRef(strElmtId) 
{ 
        if (!document.getElementById) 
        { 
                return document.all[strElmtId]; 
        }
        else
        { 
                return document.getElementById(strElmtId); 
        } 
} 

function getQueryVariable(variable)
{
	var query = window.location.search.substring(1);
	var vars = query.split("&");
  
  	for (var i = 0;i < vars.length; i++) 
  	{
    		var pair = vars[i].split("=");
    
    		if (pair[0] == variable) 
    		{
      			return pair[1];
    		}
  	} 
}


// JavaScript helper required to detect Flash Player PlugIn version information
function JSGetSwfVer(i) {
	// NS/Opera version >= 3 check for Flash plugin in plugin array
	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;
			descArray = flashDescription.split(" ");
			tempArrayMajor = descArray[2].split(".");
			versionMajor = tempArrayMajor[0];
			versionMinor = tempArrayMajor[1];
			if ( descArray[3] != "" ) {
				tempArrayMinor = descArray[3].split("r");
			} else {
				tempArrayMinor = descArray[4].split("r");
			}
			versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
			flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
		} else {
			flashVer = -1;
		}
	}
	// 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;
	// Can't detect in all other cases
	else {
		flashVer = -1;
	}
	return flashVer;
}

// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision) {
	reqVer = parseFloat(reqMajorVer + "." + reqRevision);
	// loop backwards through the versions until we find the newest version
	for (i=15;i>0;i--) {
		if (isIE && isWin && !isOpera) {
			versionStr = VBGetSwfVer(i);
		} else {
			versionStr = JSGetSwfVer(i);
		}
		if (versionStr == -1 ) {
			return false;
		} else if (versionStr != 0) {
			if(isIE && isWin && !isOpera) {
				tempArray = versionStr.split(" ");
				tempString = tempArray[1];
				versionArray = tempString .split(",");
			} else {
				versionArray = versionStr.split(".");
			}
			versionMajor = versionArray[0];
			versionMinor = versionArray[1];
			versionRevision = versionArray[2];

			versionString = versionMajor + "." + versionRevision;   // 7.0r24 == 7.24
			versionNum = parseFloat(versionString);
			// is the major.revision >= requested major.revision AND the minor version >= requested minor
			if ( (versionMajor > reqMajorVer) && (versionNum >= reqVer) ) {
				return true;
			} else {
				return ((versionNum >= reqVer && versionMinor >= reqMinorVer) ? true : false );
			}
		}
	}
}

function setFormAction()
{
	var tempCategory = getElmtRef("projectcategory").value;
	var tempType = getElmtRef("projecttype").value;
		
	if (hasReqestedVersion())
	{
		document.forms["projectParams"].action = "/activitycenter/ca/en/maker/" + tempCategory + "/" + tempType + "/loadMaker.do";
	}	
}

// Returns Boolean defining whether or not the
// current environment meets requirements
//
function hasReqestedVersion()
{
	return DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);
}