/**
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
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
}
function trim(nStr){
		return nStr.replace(/(^\s*)|(\s*$)/g, "");
		
	}
	
function isUserName(pmString){
		/* Function will check whether the user name is valid or not */

		if(!trim(pmString)) return false;
		if(isRegExpSupported())	{
			var vPattern = "(^([a-zA-Z ]+)?)$";	
			var vRegExp = new RegExp(vPattern);
			return (vRegExp.test(pmString));
		} else {
			var vPattern = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz ";
			var vLength  = pmString.length;
			for (var vLoop = 0; vLoop < vLength; vLoop++) 
				if (vPattern.indexOf(pmString.charAt(vLoop)) == -1) return false;
			return true;
		}
	}
	
	function isValidPhoneNo(pmPhNo, pmMinLength, pmMaxLength) { 
		/* Function will check whether the given phone number is valid or not */
		if(!(pmPhNo && pmMinLength && pmMaxLength)) return false;		
		var vValidChar = "0123456789()-+,  ext.";
		var vLength = pmPhNo.length;
		var vPhoneNo;
		
		for(var vLoop = 0; vLoop < vLength; vLoop++) {   
			vPhoneNo = pmPhNo.charAt(vLoop);
			if(vPhoneNo == "-") pmMinLength++;
			if(vValidChar.indexOf(vPhoneNo) == -1) return false;
		}
		if(vLength > pmMaxLength || vLength < pmMinLength) return false;
		else return true;
	}
	
	function isValidEmail(pmEmail)	{
		/* Function will check whether the given email is valid or not. */
		if (!pmEmail) return false;
		pmEmail = trim(pmEmail);
		pmEmail = pmEmail.replace(/\r\n|\r|\n/g, ''); 
		
		if (isRegExpSupported()) {
			var vPattern = "^[A-Za-z0-9](([_\\.\\-]?[a-zA-Z0-9_]+)*)@([A-Za-z0-9]+)(([\\_.\\-]?[a-zA-Z0-9]+)*)\\.([A-Za-z]{2,3})$";
			var vRegExp = new RegExp(vPattern);
			return (vRegExp.test(pmEmail));
		} else	{
			if(pmEmail.indexOf('@') == -1 || pmEmail.indexOf('.') == -1 || pmEmail.indexOf(' ') != -1) return false;
			else {
				var vSplit = pmEmail.split("@");
				if(vSplit.length > 2) return false;
				else 	{
					var vDomain = vSplit[1].split('.');
					var vLength = vDomain.length;
					for(var vLoop = 0; vLoop < vLength; vLoop++)
						if(vDomain[vLoop].length <= 0)	return false;
					return true;
				}
			} 
		}
	}
	function isRegExpSupported() {
		/* Function will check whether the regular expression supported by the browser */
		if (window.RegExp)	{
			var vTempStr = "a";
			var vTempReg = new RegExp(vTempStr);
			return (vTempReg.test(vTempStr));
		}
		return false;
	} 
	function clearq(){
		$('#txtYear').val('');
		$('#txtYear').focus();
		}
	
	
	function invite_update(){
	var name	=	$('#u_name').val();
	var email	=	$('#email').val();		
	var phone	=	$('#phone').val();	
	var txtYear 	 = $('#txtYear').val();
	var selMonth 	 = $('#selMonth').val();
	var selDay 		 = $('#selDay').val();
	var txt_hour	=	$('#txt_hour').val();	
	var txt_noon	=	$('#txt_noon').val();
	var book		=	$('#book').val();	
	var comments	=	$('#comments').val();
	var date 		 = selMonth+'/'+selDay+'/'+txtYear;
		$('#errmsg').html('');
		$('#u_name').css('border','0px solid #FF0000');
		$('#email').css('border','0px solid #FF0000');
		$('#phone').css('border','0px solid #FF0000');
		$('#txtYear').css('border','0px solid #FF0000');
		$('#txt_hour').css('border','0px solid #FF0000');
		$('#book').css('border','0px solid #FF0000');
		$('#txt_noon').css('border','0px solid #FF0000');
		$('#comments').css('border','0px solid #FF0000');
		var curdate=$('#curdate').val();
		var pmFDate = Date.parse(curdate)/1000;
		var pmTDate = Date.parse(date)/1000;
		
		if(name==""){
			$('#errmsg').html('Please enter the name');
			$('#u_name').css('border','3px solid #FF0000');
			$('#u_name').focus();
			return false;
		}
		if(email==""){
			$('#errmsg').html('Please enter the email');
			$('#email').css('border','3px solid #FF0000');
			$('#email').focus();
			return false;
		}
		if(!isValidEmail(email)){
			$('#errmsg').html('Please enter the valid email');
			$('#email').css('border','3px solid #FF0000');
			$('#email').focus();
			return false;
		}
		if(phone==""){
			$('#errmsg').html('Please enter the valid phone');
			$('#phone').css('border','3px solid #FF0000');
			$('#phone').focus();
			return false;
		}
		if(isNaN(phone)){
			$('#errmsg').html('Please enter the valid phone');
			$('#phone').css('border','3px solid #FF0000');
			$('#phone').focus();
			return false;
		}
		
		if((isDate(date) == false)){
			$('#errmsg').html('Please enter valid  date');
			$('#txtYear').css('border','3px solid #FF0000');
			$('#txtYear').focus();
			return false;
		}
		if (pmFDate > pmTDate) { 
		$('#errmsg').html('Your date must be greater than current date!');
		$('#txtYear').css('border','3px solid #FF0000');
		return false;
		}
		if(txt_hour==0){
			$('#errmsg').html('Please select the time');
			$('#txt_hour').css('border','3px solid #FF0000');
			$('#txt_hour').focus();
			return false;
		}
		if(txt_noon==0){
			$('#errmsg').html('Please select the meridiem');
			$('#txt_noon').css('border','3px solid #FF0000');
			$('#txt_noon').focus();
			return false;
		}
		if(book==""){
			$('#errmsg').html('Please enter the book name');
			$('#book').css('border','3px solid #FF0000');
			$('#book').focus();
			return false;
		}
		if(comments==""){
			$('#errmsg').html('Please enter the comments');
			$('#comments').css('border','3px solid #FF0000');
			$('#comments').focus();
			return false;
		}
		document.form1.submit()			
				
	}
	function border_clean(id)
	{
		$('#'+id).css('border','0px solid #FF0000');
		
		}
	
	function get_update(){
		
	var firstname	=	$('#firstname').val();
	var lastname	=	$('#lastname').val();		
	var address		=	$('#address').val();	
	var city		=	$('#city').val();	
	var state		=	$('#state').val();	
	var zip			=	$('#zip').val();	
	var country		=	$('#country').val();
	var email		=	$('#email').val();
	var comments	=	$('#comments').val();
		$('#errmsg').html('');
		$('#firstname').css('border','0px solid #FF0000');
		$('#lastname').css('border','0px solid #FF0000');
		$('#address').css('border','0px solid #FF0000');
		$('#state').css('border','0px solid #FF0000');
		$('#zip').css('border','0px solid #FF0000');
		$('#country').css('border','0px solid #FF0000');
		$('#email').css('border','0px solid #FF0000');
		$('#comments').css('border','0px solid #FF0000');
		$('#city').css('border','0px solid #FF0000');
		
		if(firstname==""){
			$('#errmsg').html('Please enter the firstname');
			$('#firstname').css('border','3px solid #FF0000');
			$('#firstname').focus();
			return false;
		}
		if(lastname==""){
			$('#errmsg').html('Please enter the lastname');
			$('#lastname').css('border','3px solid #FF0000');
			$('#lastname').focus();
			return false;
		}
		if(address==""){
			$('#errmsg').html('Please enter the address');
			$('#address').css('border','3px solid #FF0000');
			$('#address').focus();
			return false;
		}
		
		if(city==""){
			$('#errmsg').html('Please enter the city');
			$('#city').css('border','3px solid #FF0000');
			$('#city').focus();
			return false;
		}
		if(state==""){
			$('#errmsg').html('Please enter the state');
			$('#state').css('border','3px solid #FF0000');
			$('#state').focus();
			return false;
		}
		if(zip==""){
			$('#errmsg').html('Please enter the zip');
			$('#zip').css('border','3px solid #FF0000');
			$('#zip').focus();
			return false;
		}
		if(isNaN( zip )){
			$('#errmsg').html('Please enter the valid zip');
			$('#zip').css('border','3px solid #FF0000');
			$('#zip').focus();
			return false;
		}
		
		if(country==""){
			$('#errmsg').html('Please enter the country');
			$('#country').css('border','3px solid #FF0000');
			$('#country').focus();
			return false;
		}
		if(email==""){
			$('#errmsg').html('Please enter the email');
			$('#email').css('border','3px solid #FF0000');
			$('#email').focus();
			return false;
		}
		if(!isValidEmail(email)){
			$('#errmsg').html('Please enter the valid email');
			$('#email').css('border','3px solid #FF0000');
			$('#email').focus();
			return false;
		}
		if(comments==""){
			$('#errmsg').html('Please enter the comments');
			$('#comments').css('border','3px solid #FF0000');
			$('#comments').focus();
			return false;
		}
		document.form.submit();
	}
	
	function shareValidation(id) {
		
		var txtname		=	$('#txtname').val();
		var txtfname	=	$('#txtfriendname').val();		
		var email		=	$('#email').val();
		
		$('#txtname').css('border','0px solid #FF0000');
		$('#txtfriendname').css('border','0px solid #FF0000');
		$('#email').css('border','0px solid #FF0000');
		
		if(txtname=="") {
			$('#errMsg').html('Please enter your name!');
			$('#txtname').css('border','3px solid #FF0000'); $('#txtname').focus(); return false;
		} else if(!isUserName(txtname)) {
			$('#errMsg').html('Please enter valid name!');
			$('#txtname').css('border','3px solid #FF0000'); $('#txtname').focus(); return false;
		} else if(txtfname=="") {
			$('#errMsg').html('Please enter your friend name!');
			$('#txtfriendname').css('border','3px solid #FF0000'); $('#txtfriendname').focus(); return false;
		} else if(!isUserName(txtfname)) {
			$('#errMsg').html('Please enter valid friend name!');
			$('#txtfriendname').css('border','3px solid #FF0000'); $('#txtfriendname').focus(); return false;
		} else if(!isValidEmail(email)) {
			$('#errMsg').html('Please enter valid email id!');
			$('#email').css('border','3px solid #FF0000'); $('#email').focus(); return false;
		}
		
		document.sharethis.submit();
	}