function IsvalidEmail(mailid)  {		
	var str=mailid
	var flag=true;
	var at="@";
	var dot=".";
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	
	if (str.indexOf(at)==-1)
		flag=false;

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
		flag=false;
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
		flag=false;
	if (str.indexOf(at,(lat+1))!=-1)
		flag=false;
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
		flag=false;
	if (str.indexOf(dot,(lat+2))==-1)
		flag=false;
	if (str.indexOf(" ")!=-1)
		flag=false;
	 if(flag)
		return true;
	 else
		return false;
		 		 
}
function Trim(s)  {
	// Remove leading spaces and carriage returns
	while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r'))   {
		s = s.substring(1,s.length);
	}
	// Remove trailing spaces and carriage returns
	while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r')) {
		s = s.substring(0,s.length-1);
	}
	return s;
}
function IsNumeric(strString) { //  check for valid numeric strings	
	var strValidChars = "0123456789.-";
	var strChar;
	var blnResult = true;

	if (strString.length == 0) return false;
	//  test strString consists of valid characters listed above
	for (i = 0; i < strString.length && blnResult == true; i++) {
		strChar = strString.charAt(i);
		if(strValidChars.indexOf(strChar)==-1) {
			blnResult = false;
		}
	}
	return blnResult;
}

function validateform(evt) {
	if (evt.keyCode == 13) {
		submitform();
	}
}

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_findObj(n, d) { //v3.0
  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); 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 formvalidate(array_fields,array_message) {
	var alertfields="";
	var setfocus="";
	var i;
	for(i = 0; i < array_fields.length; i++) {
		if(Trim(document.getElementById(array_fields[i]).value) == "") {
			alertfields+="- " + array_message[i] + "\n";
			if (setfocus=="") {
				 setfocus=array_fields[i];
			}
		}		
	}
	if (alertfields!="") {
		alert("The following field(s) cannot be left blank:\n\n"+alertfields+"\nPlease fill these fields.");
		document.getElementById(setfocus).focus();
		return false;		
	}
	return true;
}

//	Populate selectbox
	function populateSelectbox(obj,value) {
		for(i=0;i<obj.length;i++) {
			if (obj[i].value.toLowerCase()==value.toLowerCase()) 
				obj[i].selected=true;
		}
	}

//	Delete item
	function deleteitem(frm,id) {
		if(window.confirm("Are you sure to delete this item?")) {
			frm.delitem.value=id;
			frm.submit();
			return true;
		}
		else {
			return false;
		}
	}

//	Check the FCK Editor content is empty or not
	function GetContents(FCKEditorname) {
		// Get the editor instance that we want to interact with.
		var oEditor = FCKeditorAPI.GetInstance(FCKEditorname) ;
		// Get the editor contents in XHTML.
		return oEditor.GetXHTML(true);              // "true" means you want it formatted.
	}

//	Input Date checking codes starts here
	var dtCh= "/";
	var minYear=1900;
	var maxYear=2100;

	function isInteger(s){
		var i;
		for (i = 0; i < s.length; i++){   
			// Check that current character is number.
			var c = s.charAt(i);
			if (((c < "0") || (c > "9"))) return false;
		}
		// All characters are numbers.
		return true;
	}

	function stripCharsInBag(s, bag){
		var i;
		var returnString = "";
		// Search through string's characters one by one.
		// If character is not in bag, append to returnString.
		for (i = 0; i < s.length; i++){   
			var c = s.charAt(i);
			if (bag.indexOf(c) == -1) returnString += c;
		}
		return returnString;
	}

	function daysInFebruary (year){
		// February has 29 days in any year evenly divisible by four,
		// EXCEPT for centurial years which are not also divisible by 400.
		return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
	}
	function DaysArray(n) {
		for (var i = 1; i <= n; i++) {
			this[i] = 31
			if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
			if (i==2) {this[i] = 29}
	   } 
	   return this
	}

	function isDate(dtStr){
		var daysInMonth = DaysArray(12)
		var pos1=dtStr.indexOf(dtCh)
		var pos2=dtStr.indexOf(dtCh,pos1+1)
		var strMonth=dtStr.substring(0,pos1)
		var strDay=dtStr.substring(pos1+1,pos2)
		var strYear=dtStr.substring(pos2+1)
		strYr=strYear
		if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
		if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
		for (var i = 1; i <= 3; i++) {
			if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
		}
		month=parseInt(strMonth)
		day=parseInt(strDay)
		year=parseInt(strYr)
		if (pos1==-1 || pos2==-1){
			alert("The date format should be : mm/dd/yyyy.")
			return false
		}
		if (strMonth.length<1 || month<1 || month>12){
			alert("Please enter a valid month.")
			return false
		}
		if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
			alert("Please enter a valid day.")
			return false
		}
		if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
			alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear+".")
			return false
		}
		if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
			alert("Please enter a valid date.")
			return false
		}
	return true
	}
//	Input Date checking codes ends here

//	Checking radio button
	function chkRadiobtn(obj) {
		for(var i=0;i<obj.length;i++) {
			if(obj[i].checked==true) {
				return true;
			}
		}
		return false;
	}

//	Open Popup window for image enlarge
	function openPopup() {
		args = openPopup.arguments;
		var imgurl = args[0];
		/* var width=600;
		var height=300;
		if(args.length > 1) {
			width=args[1]+50;
			height=args[2]+30;
		} */
		temp = imgurl.substring(7,imgurl.length);
		temp = temp.substring((temp.indexOf("/"))+1),temp.length;
		windowname = temp.substring(0,(temp.length-4));
		window.open(imgurl,windowname,'menubar=no,toolbar=no,scrollbars=yes,top=5,left=5,resizable=yes,height=700,width=1000');
		return false;
	}

//	Instr function starts here
function InStr(strSearch, charSearchFor) {
	for (i=0; i < Len(strSearch); i++) {
		if (charSearchFor == Mid(strSearch, i, 1)) 
			return i;
	}
	return -1;
}
function Mid(str, start, len) {
	if (start < 0 || len < 0) return "";
	var iEnd, iLen = String(str).length;
	if (start + len > iLen)
			iEnd = iLen;
	else
			iEnd = start + len;
	return String(str).substring(start,iEnd);
}
function Len(str) {  
	return String(str).length;  
}

function doHighlight(bodyText, searchTerm, highlightStartTag, highlightEndTag) {
	// the highlightStartTag and highlightEndTag parameters are optional
	if ((!highlightStartTag) || (!highlightEndTag)) {
		highlightStartTag = "<font style='color:blue; background-color:yellow;'>";
		highlightEndTag = "</font>";
	}
	// find all occurences of the search term in the given text,
	// and add some "highlight" tags to them (we're not using a
	// regular expression search, because we want to filter out
	// matches that occur within HTML tags and script blocks, so
	// we have to do a little extra validation)
	var newText = "";
	var i = -1;
	var lcSearchTerm = searchTerm.toLowerCase();
	var lcBodyText = bodyText.toLowerCase();

	while (bodyText.length > 0) {
		i = lcBodyText.indexOf(lcSearchTerm, i+1);
		if (i < 0) {
			newText += bodyText;
			bodyText = "";
		} else {
			// skip anything inside an HTML tag
			if (bodyText.lastIndexOf(">", i) >= bodyText.lastIndexOf("<", i)) {
				// skip anything inside a <script> block
				if (lcBodyText.lastIndexOf("/script>", i) >= lcBodyText.lastIndexOf("<script", i)) {
					newText += bodyText.substring(0, i) + highlightStartTag + bodyText.substr(i, searchTerm.length) + highlightEndTag;
					bodyText = bodyText.substr(i + searchTerm.length);
					lcBodyText = bodyText.toLowerCase();
					i = -1;
				}
			}
		}
	}
	return newText;
}


/*
 * This is sort of a wrapper function to the doHighlight function.
 * It takes the searchText that you pass, optionally splits it into
 * separate words, and transforms the text on the current web page.
 * Only the "searchText" parameter is required; all other parameters
 * are optional and can be omitted.
 */
function highlightSearchTerms(searchText, treatAsPhrase, searchType1, warnOnFailure, highlightStartTag, highlightEndTag) {
	// if the treatAsPhrase parameter is true, then we should search for 
	// the entire phrase that was entered; otherwise, we will split the
	// search string so that each word is searched for and highlighted
	// individually
	if (treatAsPhrase.indexOf(" ")==-1 && searchType1=="search") {
		searchArray = [searchText];
	} else {
		searchArray = searchText.split(" ");
	}
	if (!document.getElementById("div_pagecontent") || typeof(document.getElementById("div_pagecontent").innerHTML) == "undefined") {
		if (warnOnFailure) {
			alert("Sorry, for some reason the text of this page is unavailable. Searching will not work.");
		}
		return false;
	}
	var bodyText = pagecontent; //document.body.innerHTML;
	if(searchType1=="advanced") {
		for (var i = 0; i < searchArray.length; i++) {
			bodyText = doHighlight(bodyText, searchArray[i], highlightStartTag, highlightEndTag);
		}
	} 
	else {
		bodyText = doHighlight(bodyText, treatAsPhrase, highlightStartTag, highlightEndTag);
	}
	document.getElementById("div_pagecontent").innerHTML = bodyText;
	return true;
}

/*
 * This displays a dialog box that allows a user to enter their own
 * search terms to highlight on the page, and then passes the search
 * text or phrase to the highlightSearchTerms function. All parameters
 * are optional.
 */
function searchPrompt(defaultText, treatAsPhrase, searchType, textColor, bgColor) {
	// This function prompts the user for any words that should
	// be highlighted on this web page
	if (!defaultText) {
		defaultText = "";
	}
	// we can optionally use our own highlight tag values
	if ((!textColor) || (!bgColor)) {
		highlightStartTag = "";
		highlightEndTag = "";
	} else {
		highlightStartTag = "<font style='color:" + textColor + "; background-color:" + bgColor + ";'>";
		highlightEndTag = "</font>";
	}
	searchText = treatAsPhrase;
	return highlightSearchTerms(searchText, treatAsPhrase, searchType, true, highlightStartTag, highlightEndTag);
}