//***** EMAIL VALIDATION CHECK *****

//email validation function, called from validateForm functions

	function echeck(str) 

	{

		var at="@"

		var dot="."

		var lat=str.indexOf(at)

		var lstr=str.length

		var ldot=str.indexOf(dot)

		if (str.indexOf(at)==-1){

		   alert("The E-mail that you have entered is not valid")

		   return false

		}



		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){

		   alert("The E-mail that you have entered is not valid")

		   return false

		}



		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){

		    alert("The E-mail that you have entered is not valid")

		    return false

		}



		 if (str.indexOf(at,(lat+1))!=-1){

		    alert("The E-mail that you have entered is not valid")

		    return false

		 }



		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){

		    alert("The E-mail that you have entered is not valid")

		    return false

		 }



		 if (str.indexOf(dot,(lat+2))==-1){

		    alert("The E-mail that you have entered is not valid")

		    return false

		 }

		

		 if (str.indexOf(" ")!=-1){

		    alert("The E-mail that you have entered is not valid")

		    return false

		 }

		 return true					

	}//function echeck(str) 

//***** EMAIL VALIDATION CHECK *****





//***** DATE CHECK *****	

// date check dd/mm/yyyy

/**

 * DHTML date validation script for dd/mm/yyyy. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)

 */

// Declaring valid date character, minimum year and maximum year

//var dtCh= "/";

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 strDay=dtStr.substring(0,pos1)

	var strMonth=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 : dd-mm-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

}

// date check dd/mm/yyyy



//test day/month are two digits

function isdaymonth2digits(dtStr)

{

	//used to ensure that day n month were two digits e.g not 1-1-2004 style only 01-01-2004

	var pos1=dtStr.indexOf(dtCh)

	var pos2=dtStr.indexOf(dtCh,pos1+1)

	var strDaytest=dtStr.substring(0,pos1)

	var strMonthtest=dtStr.substring(pos1+1,pos2)	

	//used to ensure that day n month were two digits e.g not 1-1-2004 style only 01-01-2004

		

		//test here that day & month were two chars - no 1/1/2004's accepted

		if (strDaytest.length!=2)

		{

			alert("Please enter a valid day")

			return false

		}

		if (strMonthtest.length!=2)

		{

			alert("Please enter a valid month")

			return false

		}			

		//test here that day & month were two chars - no 1/1/2004's accepted

return true

}

//***** DATE CHECK *****







//***** STRING FUNCTIONS *****



//trim whitespace from left of string

function leftTrim(sString) 

{

	while (sString.substring(0,1) == ' ')

	{

		sString = sString.substring(1, sString.length);

	}

	return sString;

}



//trim whitespace from right of string

function rightTrim(sString) 

{

	while (sString.substring(sString.length-1, sString.length) == ' ')

	{

		sString = sString.substring(0,sString.length-1);

	}

	return sString;

}



//trim whitespace from both ends of string

function trimAll(sString) 

{

	while (sString.substring(0,1) == ' ')

	{

		sString = sString.substring(1, sString.length);

	}

	while (sString.substring(sString.length-1, sString.length) == ' ')

	{

		sString = sString.substring(0,sString.length-1);

	}

	return sString;

}



//***** STRING FUNCTIONS *****