/***

	(C)opyright spirito GmbH, Germany, 2006
	All rights reserved
	
	http://www.spirito.de
	This is part of the DADO Application Server Software
	
	$Revision: 1.6 $
	$Author: holtwick $
	$Date: 2005/06/14 14:32:48 $


	Testet ob Flash verfügbar ist.
	=============================
		
***/

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;

if(isIE && isWin) {
	document.write('<SCR' + 'IPT LANGUAGE="VBScript" type="text/vbscript"\> \n')
	document.write("Function VBGetSwfVer(i)\n")
	document.write("  on error resume next\n")
	document.write("  Dim swControl, swVersion\n")
	document.write("  swVersion = 0\n")
	document.write('  set swControl = CreateObject("ShockwaveFlash.ShockwaveFlash." + CStr(i))\n')
	document.write("  if (IsObject(swControl)) then\n")
	document.write('    swVersion = swControl.GetVariable("$version")\n')
	document.write("  end if\n")
	document.write("  VBGetSwfVer = swVersion\n")
	document.write("End Function")
	document.write('</SCR' + 'IPT\> \n');
}

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;
} 

function dadoCheckFlashVersion(reqMajorVer, reqMinorVer, reqRevision) {
 	reqVer = parseFloat(reqMajorVer + "." + reqRevision);
	for (i=25;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);
			if ( (versionMajor > reqMajorVer) && (versionNum >= reqVer) ) {
				return true;
			} else {
				return ((versionNum >= reqVer && versionMinor >= reqMinorVer) ? true : false );	
			}
		}
	}	
	return false;
}

