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];}
}

// Checking Radio button
function chk_Radiobutton(rdobtn){
	var flag=false;
	for (i=0;i<rdobtn.length;i++) {
		if (rdobtn[i].checked==true) 
			flag=true;
	}
	return flag;
}
function populateSelectbox(obj,value) {
	for(i = 0; i<obj.length; i++)
	{
		if(isNaN(value)) {
			if (obj[i].value.toLowerCase() == value.toLowerCase())
				obj[i].selected = true;
		} else {
			if (obj[i].value == value)
				obj[i].selected = true;
		}
	}
}
//	Trim function
	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;
	}
	
//	Is Valid Email function
	function IsvalidEmail(mailid) 
	{		
		var str=mailid;
		var at="@";
		var dot=".";
		var lat=str.indexOf(at);
		var lstr=str.length;
		var ldot=str.indexOf(dot);
		if (str.indexOf(at)==-1) 
			return false;
		else if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
			return false;
		else if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
			return false;
		else if (str.indexOf(at,(lat+1))!=-1)
			return false;
		else if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
			return false;
		else if (str.indexOf(dot,(lat+2))==-1)
			return false;
		else if (str.indexOf(" ")!=-1)
			return false;
		
		return true;
	}

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

// input only numbers
	function isNumberKey(evt) {
		var code = (evt.which) ? evt.which : evt.keyCode
		if((code < 48 || code > 58) && (code!=8 && code!=9 && code!=37 && code!=39 && code!=46)) 
			return false;
		return 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

/*************************************************************************************************/
		var startDate;
		var endDate;
		var ONEDAY = 3600 * 24;

		function resetDates() {
			startDate = endDate = null;
		}

		function filterDates1(cal) {
			var date = cal.date;
			startDate = date.getTime()
			/* If they haven't chosen an 
			end date before we'll set it to the same date as the start date This
			way if the user scrolls in the start date 5 months forward, they don't
			need to do it again for the end date.
			*/

			if (endDate == null) { 
				Zapatec.Calendar.setup({
					inputField     :    "txt_date5",
					button         :    "calendar9",  // What will trigger the popup of the calendar
					ifFormat       :    "%m/%d/%Y",
					date           :     startDate,
					showsTime      :     false,          //no time
					dateStatusFunc :    disallowDateBefore, //the function to call
					onUpdate       :    filterDates2
				});
			}
		}

		function filterDates2(cal) {
			
			var date = cal.date;
//			alert(date);
			endDate = date.getTime()
		}

		function disallowDateBefore(date) {
			//alert(date);
			date = date.getTime();
			if ((startDate != null) && (date < (startDate + ONEDAY))) {
				//start date can't be prior to end date
				return true; 
			} 
			var now = new Date().getTime();
			if (date < (now - ONEDAY)) {
				//start date can't be prior to today
				return true;
			}
			return false;
		}

		function disallowDateAfter(date) {
			date = date.getTime();
			if ((endDate != null) && (date > (endDate - ONEDAY))) {
				//end date can't be before start date
				return true;
			} 

			var now = new Date().getTime();
			if (date < (now - ONEDAY)) {
				//end date can't be prior to today
				return true;
			}
			return false;
		}
	
	function pageopen() {
		window.open("change_zip.php",'',"height=200,width=450,top=200,left=250,scrollbars=yes,resizable=no,help=no");
		return false;
	}

	function img_over(imgname,imgsrc) {
		document[imgname].src = imgsrc;
	}