// Removes leading whitespaces
    function LTrim( value ) 
    {    	
	    var re = /\s*((\S+\s*)*)/;
	    return value.replace(re, "$1");    	
    }

    // Removes ending whitespaces
    function RTrim( value ) 
    {    	
	    var re = /((\s*\S+)*)\s*/;
	    return value.replace(re, "$1");    	
    }

    // Removes leading and ending whitespaces
    function trim( value ) 
    {    	
	    return LTrim(RTrim(value));    	
    }
    //Returns whether the number is a positive integer or not
    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;
    } 
    
    //Check sprecial Characters in a string
    var iChars = "!@#$%^&*()+=-[]\\\';,./{}|\":<>?";
        
    function splCharCheck(val) 
    {
        for (var i = 0; i < val.length; i++) 
	    {
  		    if (iChars.indexOf(val.charAt(i)) != -1) 
		    { 
  		        return false;
  		    }
  		    else
  		    {
  		        return true;
  		    }
  	    }
    }
    
    //Returns true if any character in the input string is a special character.
    function specialCharacterFound(val) 
    {
        var specialCharacterFound = false; 
        for (var i = 0; i < val.length; i++) 
	    {
  		    if (iChars.indexOf(val.charAt(i)) != -1) //special character found
		    { 
  		        specialCharacterFound = true;
  		        break;
  		    }
  	    }
  	    return specialCharacterFound;
    }
    
    //Returns true if any blank space is found in the input string.
    function blankSpaceFound(val) 
    {
        var blankSpaceFound = false; 
        for (var i = 0; i < val.length; i++) 
	    {
  		    if (val.charAt(i) == " ") //blank space found 
		    { 
  		        blankSpaceFound = true;
  		        break;
  		    }
  	    }
  	    return blankSpaceFound;
    }
    
    //disable the back functionality
    function disable()
    {
        window.history.forward(1);
    }       
    
    //check alphanumeric value of a string
    function alphanumeric(alphane)
    {
	    var numaric = alphane;
	    for(var j=0; j<numaric.length; j++)
		    {
		      var alphaa = numaric.charAt(j);
		      var hh = alphaa.charCodeAt(0);
		      if((hh > 47 && hh<58) || (hh > 64 && hh<91) || (hh > 96 && hh<123))
		      {
		      }
		    else	
		      {
			     return false;
		      }
		    }
        return true;
    }

// Declaring valid date character, minimum year and maximum year
    var dtCh= "/";
    var minYear=1900;
    var maxYear=2100;

    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 mailcheck(src) {
     var emailReg = "^[\\w-_\.+]*[\\w-_\.]\@([\\w]+\\.)+[\\w]+[\\w]$";
     var regex = new RegExp(emailReg);
     return regex.test(src);
    }
    
    //dtStr is on mm/dd/yyyy format
    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;
    }


//--------------------------------onsite code - 11-04-2009 starts--------------------------------
function numbersonly( e )
{
var unicode = e.charCode ? e.charCode : e.keyCode;
//alert(unicode);
//if the key isn't the backspace key (which we should allow)
if( unicode != 8 )
{ 
//if not a number
if( unicode < 48 || unicode > 57 )
{
//disable key press
return false;
}//end if
else
{
// enable keypress
return true;
}//end else
}//end if
else
{
// enable keypress
return true;
}//end else
}//end function


//-------------------------------------------------------------------------------------------------------