// Global browser version variables
var bIE4 = false;
var bIE5 = false;
var bNS4 = false;
var bNS6 = false;
var bOpera = false;
var strBrowserName = navigator.appName;
var nBrowserVer = parseInt(navigator.appVersion);
if (strBrowserName.indexOf('Microsoft') != -1)
{
	var strBrowserVersionData = navigator.appVersion;
	var nStartPos = strBrowserVersionData.indexOf('MSIE');
	var strVersion = strBrowserVersionData.substring(nStartPos + 5, nStartPos+13);
	var fBrowserVer = parseFloat(strVersion);

	if (fBrowserVer >= 5) 
		bIE5 = true;
	else
		bIE4 = true;
}
else if (strBrowserName.indexOf('Netscape') != -1)
{
	if (nBrowserVer >= 5)
		bNS6 = true;
	else
		bNS4 = true;
}
else if (navigator.userAgent.indexOf('Opera') != -1)
{
	bOpera = true;
	bIE5 = true;	// We will treat Opera like IE5!!
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function CheckEmail(sEmail){
	if (bNS6)
	{
		bMatch = sEmail.indexOf("@") != -1;
	}
	else
	{
		//Quick check of Email pattern. Should catch more than 90% of emails
		var bMatch = sEmail.match(/^[\"\(\)\<\>\[\]\:\\\,\w-]+(\.[\"\(\)\<\>\[\]\:\\\,\w-]+)*@[\"\(\)\<\>\[\]\:\\\,\w-]+(\.[\"\(\)\<\>\[\]\:\\\,\w-]+)+$/) ? true : false;
		//If pattern is ok, verify if each special character accepted is quoted
		if (bMatch){
			//Check if there's a quote
			if (sEmail.indexOf(String.fromCharCode(34)) != -1){
				//There's a quote, so check if any exception is present
				var sTmpStr = sEmail;
				var sRegexp;
				//Check (
				if (sEmail.indexOf(String.fromCharCode(34) + "(" + String.fromCharCode(34)) != -1){
					sRegexp = /("\(")+/ig
					sTmpStr = sTmpStr.replace(sRegexp,"");
				}
				//Check )
				if (sEmail.indexOf(String.fromCharCode(34) + ")" + String.fromCharCode(34)) != -1){
					sRegexp = /("\)")+/ig
					sTmpStr = sTmpStr.replace(sRegexp,"");
				}
				//Check <
				if (sEmail.indexOf(String.fromCharCode(34) + "<" + String.fromCharCode(34)) != -1){
					sRegexp = /("<")+/ig
					sTmpStr = sTmpStr.replace(sRegexp,"");
				}
				//Check >
				if (sEmail.indexOf(String.fromCharCode(34) + ">" + String.fromCharCode(34)) != -1){
					sRegexp = /(">")+/ig
					sTmpStr = sTmpStr.replace(sRegexp,"");
				}
				//Check [
				if (sEmail.indexOf(String.fromCharCode(34) + "[" + String.fromCharCode(34)) != -1){
					sRegexp = /("\[")+/ig
					sTmpStr = sTmpStr.replace(sRegexp,"");
				}
				//Check ]
				if (sEmail.indexOf(String.fromCharCode(34) + "<" + String.fromCharCode(34)) != -1){
					sRegexp = /("\]")+/ig
					sTmpStr = sTmpStr.replace(sRegexp,"");
				}
				//Check :
				if (sEmail.indexOf(String.fromCharCode(34) + ":" + String.fromCharCode(34)) != -1){
					sRegexp = /(":")+/ig
					sTmpStr = sTmpStr.replace(sRegexp,"");
				}
				//Check \
				if (sEmail.indexOf(String.fromCharCode(34) + String.fromCharCode(92) + String.fromCharCode(34)) != -1){
					sRegexp = /("\\")+/ig
					sTmpStr = sTmpStr.replace(sRegexp,"");
				}
				//Check ,
				if (sEmail.indexOf(String.fromCharCode(34) + "," + String.fromCharCode(34)) != -1){
					sRegexp = /(",")+/ig
					sTmpStr = sTmpStr.replace(sRegexp,"");
				}
				//Verify if sTmpStr still has quotes. If yes, it's an error
				if (sTmpStr.indexOf(String.fromCharCode(34)) != -1){
					bMatch = false;
				}
			}
			//If no quotes check if any invalid character is present and return false if yes
			else{
				if ((sEmail.indexOf("(") != -1) || (sEmail.indexOf(")") != -1) || (sEmail.indexOf("<") != -1) || (sEmail.indexOf(">") != -1) || (sEmail.indexOf("[") != -1) || (sEmail.indexOf("]") != -1) || (sEmail.indexOf(":") != -1) || (sEmail.indexOf(",") != -1) || (sEmail.indexOf(String.fromCharCode(92)) != -1)){
					bMatch = false;
				}
			}
		}
	}
	
	return bMatch;
}
	// Utility function to trim spaces from both ends of a string
	function Trim(inString) 
	{
	  var retVal = "";
	  var start = 0;
	
	  while ((start < inString.length) && (inString.charAt(start) == ' ')) 
	  {
	    ++start;
	  }
	  var end = inString.length;
	  while ((end > 0) && (inString.charAt(end - 1) == ' ')) 
	  {
	    --end;
	  }

	  if (start >= end)
	  {	
		retVal = "";
	  }
	  else
	  {
		retVal = inString.substring(start, end);
	  }

	  return retVal;
	}