/* global constants */
var requiredMajorFlashVer = 8;
var requiredMinorFlashVer = 0;
var requiredFlashRevision = 0;

/* flash dectection functions */
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;

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 DetectFlashVer(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);
        	// 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 loadDetectFlash(swf, id, w, h, ver, clr, params, noflash) {
	if (DetectFlashVer(ver)) {
		var swf_code = '';
		if(navigator.plugins && navigator.mimeTypes && navigator.mimeTypes.length){
			swf_code += "<embed type=\"application/x-shockwave-flash\" src=\""+swf+"\" width=\""+w+"\" height=\""+h+"\"";
			swf_code += " id=\"swf"+id+"\" name=\"swf"+id+"\" ";
			for(var key in params){
				swf_code += [key]+"=\""+params[key]+"\" ";
			}
			var temp = params.join("&");
			if(temp.length > 0){
				swf_code += "flashvars=\""+temp+"\"";
			}
			swf_code += "/>";
		}else{
			swf_code += "<object id=\"swf"+id+"\" classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" width=\""+w+"\" height=\""+h+"\">";
			swf_code += "<param name=\"movie\" value=\""+swf+"\" />";
			var params = params;
			for(var key in params){
				swf_code += "<param name=\""+key+"\" value=\""+params[key]+"\" />";
			}
			var temp = params.join("&");
			if(temp.length > 0){
				swf_code += "<param name=\"flashvars\" value=\""+temp+"\" />";
			}
			swf_code += "</object>";
		}
	
		var div = document.getElementById(id);
		div.innerHTML = swf_code;
	} else {
		var div = document.getElementById(id);
		div.innerHTML = noflash;
	}	
}