function openPopup(page,width,height) {
		pagewidth = width;
		pageheight = height;
		if(pagewidth=="") {
			pagewidth = 550;
		}
		if(pageheight=="") {
			pageheight = 400;
		}
		pagename = page + ".php";
		window.open(pagename, 'page', 'toolbar=0,location=0,status=0,menubar=0,scrollbars=1,resizable=1,width='+width+'px,height='+height+'px,top=50,left=50');
		return false;
	}
	function Trim(s) {
	  while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r')) {
		s = s.substring(1,s.length);
	  }
	  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 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;
	}

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