var requiredMajorVersion = 9;
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;
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);
   	// loop backwards through the versions until we find the newest version	
	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 );	
		}
	}	
	return (reqVer ? false : 0.0);
}

function open_image(imgUrl,imgWidth,imgHeight)
{
   winTop=(screen.height-imgHeight)/2;
   winLeft=(screen.width-imgWidth)/2;
   if(imgHeight > screen.height) imgHeight = screen.height;
   if(imgWidth > screen.width) imgWidth = screen.width;
   window.open(imgUrl,"new_image","menubar=0,toolbar=0,top="+winTop+",left="+winLeft+",width="+imgWidth+",height="+imgHeight+",scrollbars=1");
}

function check_mail(mail)
{
	var reg = /^[a-zA-Z0-9][a-zA-Z0-9\._-]+@[a-zA-Z0-9_\.-]+\.[a-zA-Z]{2,4}$/;
	if(mail.value == '') return true;
	else return reg.test(mail.value);
} 

function ajax(div,url,pars,meth,func)
{
	if(!meth) meth = "get";
	if(!func) eval("var myAjax = new Ajax.Updater(div, '/' + url, {method: meth, parameters: pars})");
	else eval("var myAjax = new Ajax.Updater(div, '/' + url, {method: meth, parameters: pars,onComplete: "+func+"})");
}