// The following functions were written by Tom Wittbrodt
// Copyright (c) 1998, 1999 Tom Wittbrodt
// License is granted if and only if this entire 
// copyright notice is included. 
function validate_date(date_field, desc) {
        if (!date_field.value)  
                return true;
        var in_date = stripCharString(date_field.value," ");
        in_date = in_date.toUpperCase();
        var date_is_bad = 0;  
        if (!allowInString(in_date,"/0123456789T+-"))
                date_is_bad = 1; // invalid characters in date
        if (!date_is_bad) { 
                var has_rdi = 0;
                if (in_date.indexOf("T") >= 0){ 
                        has_rdi = 1;
                }
                if (!date_is_bad && has_rdi && (in_date.indexOf("T") != 0)) { 
                        date_is_bad = 2; // relative date index character is not in first position
                }
                if (!date_is_bad && has_rdi && (in_date.length == 1)) { 
                        var d = new Date();
						var return_month = parseInt(d.getMonth() + 1).toString();
						return_month = (return_month.length==1 ? "0" : "") + return_month; 
						var return_date =  parseInt(d.getDate()).toString();
						return_date = (return_date.length==1 ? "0" : "") + return_date; 
				        in_date = return_month + "/" + return_date + "/" + get_full_year(d);		
                        has_rdi = 0; // date doesn't have rdi char anymore (will also cause failure of add'l rdi checks, which is a good thing)
                }
                if (!date_is_bad && has_rdi && (in_date.length > 1) && !(in_date.charAt(1) == "+" || in_date.charAt(1) == "-")) {
                        date_is_bad = 3; // length of rdi string is greater than 1 but second char is not "+" or "-"
                }
                if (!date_is_bad && has_rdi && isNaN(parseInt(in_date.substring(2,in_date.length),10))) {
                        date_is_bad = 4; // rdi value is not a number
                }
                if (!date_is_bad && has_rdi && (parseInt(in_date.substring(2,in_date.length),10) < 0)) {
                        date_is_bad = 5; // rdi value is not a positive integer
                }
                if (!date_is_bad && has_rdi) {
                        var d = new Date();
                        ms = d.getTime();
                        offset = parseInt(in_date.substring(2,in_date.length),10);
                        if(in_date.charAt(1) == "+") {
                                ms += (86400000 * offset);
                        } else {
                                ms -= (86400000 * offset);
                        }
                        d.setTime(ms);
						var return_month = parseInt(d.getMonth() + 1).toString();
						return_month = (return_month.length==1 ? "0" : "") + return_month; 
						var return_date =  parseInt(d.getDate()).toString();
						return_date = (return_date.length==1 ? "0" : "") + return_date; 
				        in_date = return_month + "/" + return_date + "/" + get_full_year(d);	
                        has_rdi = 0;
                }
        } 
        if (!date_is_bad) {
                var date_pieces = new Array();
                date_pieces = in_date.split("/");
                if (date_pieces.length == 2) {
                        var d = new Date();
                        in_date = in_date + "/" + get_full_year(d);
                        date_pieces = in_date.split("/");
                }
                if (date_pieces.length != 3 || parseInt(date_pieces[0],10) < 1 || parseInt(date_pieces[0],10) > 12 
                                || parseInt(date_pieces[1],10) < 1 || parseInt(date_pieces[1],10) > 31 
                                || (date_pieces[2].length != 2 && date_pieces[2].length != 4)) {
                        date_is_bad = 6;  // date is not in format of m[m]/d[d]/yy[yy]
                }
        }
        if (date_is_bad) {
               alert(desc + " must be in the format of mm/dd/yy, mm/dd/yyyy.");
                date_field.focus();
				date_field.value="";
                return (false);
        }
        
        var ms = Date.parse(in_date);
        var d = new Date();
        d.setTime(ms);
		var return_date = d.toLocaleString();
		var return_month = parseInt(d.getMonth() + 1).toString();
		return_month = (return_month.length==1 ? "0" : "") + return_month; 
		var return_date =  parseInt(d.getDate()).toString();
		return_date = (return_date.length==1 ? "0" : "") + return_date; 
        return_date = return_month + "/" + return_date + "/" + get_full_year(d);
        date_field.value = return_date;
        return true;
}       // normalize the year to yyyy
function get_full_year(d) {
		var y = ""
		if (d.getFullYear() != null)
		{
			y = d.getFullYear();
			if (y < 1970) y+= 100;		
		} else
		{	
	        y = d.getYear();
	        if (y > 69  && y < 100) y += 1900;
	        if (y < 1000) y += 2000;
		}
        return y;
}
// The following functions were written by Gordon McComb
// More information can be found here: http://www.javaworld.com/javaworld/jw-02-1997/jw-02-javascript.html
function stripCharString (InString, CharString)  {
        var OutString="";
   for (var Count=0; Count < InString.length; Count++)  {
        var TempChar=InString.substring (Count, Count+1);
      var Strip = false;
      for (var Countx = 0; Countx < CharString.length; Countx++) {
        var StripThis = CharString.substring(Countx, Countx+1)
         if (TempChar == StripThis) {
                Strip = true;
            break;
         }
      }
      if (!Strip)
        OutString=OutString+TempChar;
   }
        return (OutString);
}
function allowInString (InString, RefString)  {
        if(InString.length==0) return (false);
        for (var Count=0; Count < InString.length; Count++)  {
        var TempChar= InString.substring (Count, Count+1);
      if (RefString.indexOf (TempChar, 0)==-1)  
        return (false);
   }
   return (true);
}

function phoneformat()
{//reference site: http://www.sutternow.com/CodeStuff/javascript/PhoneMask.jsp
          var sMask = "01234567890";
          var KeyTyped = String.fromCharCode(window.event.keyCode);
          var srcObject = window.event.srcElement;
         
          if (sMask.indexOf(KeyTyped.toString()) == -1)
                   {
                           window.event.keyCode = 0;
                           _ret = false;
                  } 
     /* 
      * The varible "frigger is used because" the friggen DOM 
      *does not does not expose lenght via window.event.srcElement.length
      */
     frigger = document.getElementById(window.event.srcElement.id);
     keyCount = frigger.value.length;
      var tmpStr = "(";
      
      keyEntered = KeyTyped;
     keyCount++;
     switch (keyCount)
     {
     case 2: 
        tmpStr += srcObject.value;
        srcObject.value = tmpStr;
        break;
     case 5:
        srcObject.value += ")";
        break;
     case 9:
       srcObject.value += "-";
       break;
      }
      
      
}
function checknum(obj)
{
	if (!parseInt(obj.value,10))
		{alert("Number required!")
		obj.value='';
		obj.focus();
		}
	
}
function chkcode(input)
{
	var result = ""
	var str = input.value.split('');

	for(i=0; i<=str.length-1; i++)
	{	str[i]= str[i].toUpperCase();
		result+=str[i];
	}
	if (result == "PINW")
	{	document.login.submit0.disabled=true;
		return true;
	}
	else
	{	document.login.submit0.disabled=false;
		return false;
	}
}
function checksalary(obj)
{
	var str = obj.value;
	var reg = /K/gi;
	var newstr = str.replace(reg,"000")
	reg = /,/gi;
	newstr = newstr.replace(reg,"")
	  for (var i = 0; i < newstr.length; i++) 
		{            
			var ch = newstr.charAt(i)            
			if (ch < "0" || ch > "9") 
			{ alert("Not a valid number!"); 
			  obj.value = "";         
			  return false;
			}     
		 }
	return true;
}