function trim(s)
{
   s = s.replace(/^\s*/,'').replace(/\s*$/, '');
   return s;
}

function strToFloat(aStr)
{
   var n=parseFloat(aStr.replace(",",""));
   if( ((n>=0)==false) && ((n<0)==false) ) n=0;  //NaN always is false
   return n;
}

function strToInt(aStr)
{
   var n=parseInt(aStr.replace(",",""));
   if( ((n>=0)==false) && ((n<0)==false) ) n=0;  //NaN always is false
   return n;
}
 
function formatNumber(aNumber,aDig,aComma) {
	var n=aNumber.toFixed(aDig);
	if(!aComma || aComma=="") {
		return n;
	} else {
		var s=n+="";
		var x=s.split(".");
		var x1=x[0];
		var x2=(x.length>1?"."+x[1]:"");
		var rgx=/(\d+)(\d{3})/;
		while(rgx.test(x1)) {
			x1=x1.replace(rgx,"$1"+","+"$2");
		}
		return x1+x2;
	}
}

function roundUp(aDbl)  // 0.4 to 1; 0.5 also to 1
{
	var d=parseInt(aDbl);  // dec simply cut off!
	if(aDbl>d) d++;
	return d;
}

function FTMinusDbl(dblNum,dblMinusNum)
{
	var dblN, ft, inch;
	dblN = (dblNum - 1 + 0.12) - dblMinusNum;

	// if inches>12: 
	ft=Math.round(dblN);  // round to 0 dec
	inch=(dblN-ft) * 100;
	if(inch>=12)
	{
		ft = ft + parseInt(inch / 12);
		inch = inch % 12; // modulus
	}
	return ft+(inch/100);
}


// ------------------------------------------------------------------
// getDateFromFormat( date_string , format_string )
//
// This function takes a date string and a format string. It matches
// If the date string matches the format string, it returns the 
// getTime() of the date. If it does not match, it returns 0.
// ------------------------------------------------------------------
function getDateFromFormat(val,format) {
	val=val+"";
	format=format+"";
	var i_val=0;
	var i_format=0;
	var c="";
	var token="";
	var token2="";
	var x,y;
	var now=new Date();
	var year=now.getYear();
	var month=now.getMonth()+1;
	var date=1;
	var hh=now.getHours();
	var mm=now.getMinutes();
	var ss=now.getSeconds();
	var ampm="";
	
	while (i_format < format.length) {
		// Get next token from format string
		c=format.charAt(i_format);
		token="";
		while ((format.charAt(i_format)==c) && (i_format < format.length)) {
			token += format.charAt(i_format++);
			}
		// Extract contents of value based on format token
		if (token=="yyyy" || token=="yy" || token=="y") {
			if (token=="yyyy") { x=4;y=4; }
			if (token=="yy")   { x=2;y=2; }
			if (token=="y")    { x=2;y=4; }
			year=_getInt(val,i_val,x,y);
			if (year==null) { return 0; }
			i_val += year.length;
			if (year.length==2) {
				if (year > 70) { year=1900+(year-0); }
				else { year=2000+(year-0); }
				}
			}
		else if (token=="MMM"||token=="NNN"){
			month=0;
			for (var i=0; i<MONTH_NAMES.length; i++) {
				var month_name=MONTH_NAMES[i];
				if (val.substring(i_val,i_val+month_name.length).toLowerCase()==month_name.toLowerCase()) {
					if (token=="MMM"||(token=="NNN"&&i>11)) {
						month=i+1;
						if (month>12) { month -= 12; }
						i_val += month_name.length;
						break;
						}
					}
				}
			if ((month < 1)||(month>12)){return 0;}
			}
		else if (token=="EE"||token=="E"){
			for (var i=0; i<DAY_NAMES.length; i++) {
				var day_name=DAY_NAMES[i];
				if (val.substring(i_val,i_val+day_name.length).toLowerCase()==day_name.toLowerCase()) {
					i_val += day_name.length;
					break;
					}
				}
			}
		else if (token=="MM"||token=="M") {
			month=_getInt(val,i_val,token.length,2);
			if(month==null||(month<1)||(month>12)){return 0;}
			i_val+=month.length;}
		else if (token=="dd"||token=="d") {
			date=_getInt(val,i_val,token.length,2);
			if(date==null||(date<1)||(date>31)){return 0;}
			i_val+=date.length;}
		else if (token=="hh"||token=="h") {
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<1)||(hh>12)){return 0;}
			i_val+=hh.length;}
		else if (token=="HH"||token=="H") {
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<0)||(hh>23)){return 0;}
			i_val+=hh.length;}
		else if (token=="KK"||token=="K") {
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<0)||(hh>11)){return 0;}
			i_val+=hh.length;}
		else if (token=="kk"||token=="k") {
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<1)||(hh>24)){return 0;}
			i_val+=hh.length;hh--;}
		else if (token=="mm"||token=="m") {
			mm=_getInt(val,i_val,token.length,2);
			if(mm==null||(mm<0)||(mm>59)){return 0;}
			i_val+=mm.length;}
		else if (token=="ss"||token=="s") {
			ss=_getInt(val,i_val,token.length,2);
			if(ss==null||(ss<0)||(ss>59)){return 0;}
			i_val+=ss.length;}
		else if (token=="a") {
			if (val.substring(i_val,i_val+2).toLowerCase()=="am") {ampm="AM";}
			else if (val.substring(i_val,i_val+2).toLowerCase()=="pm") {ampm="PM";}
			else {return 0;}
			i_val+=2;}
		else {
			if (val.substring(i_val,i_val+token.length)!=token) {return 0;}
			else {i_val+=token.length;}
			}
		}
	// If there are any trailing characters left in the value, it doesn't match
	if (i_val != val.length) { return 0; }
	// Is date valid for month?
	if (month==2) {
		// Check for leap year
		if ( ( (year%4==0)&&(year%100 != 0) ) || (year%400==0) ) { // leap year
			if (date > 29){ return 0; }
			}
		else { if (date > 28) { return 0; } }
		}
	if ((month==4)||(month==6)||(month==9)||(month==11)) {
		if (date > 30) { return 0; }
		}
	// Correct hours value
	if (hh<12 && ampm=="PM") { hh=hh-0+12; }
	else if (hh>11 && ampm=="AM") { hh-=12; }
	var newdate=new Date(year,month-1,date,hh,mm,ss);
	return newdate.getTime();
}
// ------------------------------------------------------------------
// Utility functions for parsing in getDateFromFormat()
// ------------------------------------------------------------------
function _isInteger(val) {
	var digits="1234567890";
	for (var i=0; i < val.length; i++) {
		if (digits.indexOf(val.charAt(i))==-1) { return false; }
	}
	return true;
}
function _getInt(str,i,minlength,maxlength) {
	for (var x=maxlength; x>=minlength; x--) {
		var token=str.substring(i,i+x);
		if (token.length < minlength) { return null; }
		if (_isInteger(token)) { return token; }
	}
	return null;
}

// ------------------------------------------------------------------
// isDate ( date_string, format_string )
// Returns true if date string matches format of format string and
// is a valid date. Else returns false.
// It is recommended that you trim whitespace around the value before
// passing it to this function, as whitespace is NOT ignored!
// ------------------------------------------------------------------
function isDate(val,format) {
	var date=getDateFromFormat(val,format);
	if (date==0) { return false; }
	return true;
}
	
function checkDate(aTextbox,aErrMsg)
{
   var s=trim(aTextbox.value);
   if(s=="") return true;
   if(!isDate(s,"M/d/yyyy"))
   {
      if(aErrMsg=="") alert("Please enter a correct date"); else alert(aErrMsg);
      aTextbox.focus();
      aTextbox.select();
   }
}

function checkEmail(aTextbox,aErrMsg)
{
   var s=trim(aTextbox.value);
   if(s=="") return true;

	var ok = "1234567890qwertyuiop[]asdfghjklzxcvbnm.@-_QWERTYUIOPASDFGHJKLZXCVBNM";
	var i,re,re_two;
	var b=false;
	
	for(i=0; i < s.length ;i++) {
		if(ok.indexOf(s.charAt(i))<0) {
			b=false;
		}
	}
	if (document.images) {
		re = /(@.*@)|(\.\.)|(^\.)|(^@)|(@$)|(\.$)|(@\.)/;
		re_two = /^([a-zA-Z0-9])+([a-zA-Z0-9.\+=_-])*@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/;
		if (!s.match(re) && s.match(re_two)) {
			b=true;
		} 
	}

   if(!b)
   {
      if(aErrMsg=="") alert("Please enter a correct email"); else alert(aErrMsg);
      aTextbox.focus();
      aTextbox.select();
   }
}

function checkNumber(aTextbox)
{
   var s=trim(aTextbox.value);
   if(s=="") return true;
   var validChars = "0123456789.";
   var aa=s.split("");
   var minus=aa[0]=="-"?"-":"";
   var dot=0;
   for(i=aa.length-1; i>=0; i--)
   {
      if(validChars.indexOf(aa[i])==-1) aa[i]="";
      if(aa[i]==".")
      {
         if(dot>0) aa[i]=""; else dot++;
      }
   }
   aTextbox.value=minus+aa.join("");
}

function phoneNumber(aTextbox)
{
   var st=trim(aTextbox.value);
   var ext='';
   var x=st.indexOf('x');
   if(x==-1) x=st.indexOf('X');
   if(x>-1)
   {
     ext=st.substring(x,st.length);
     st=st.substring(0,x);
   }
   
   var i,s='';
   for(i=0; i<st.length;i++)
   {
     if( (st.charAt(i)>='0') && (st.charAt(i)<='9') )
       s+=st.charAt(i);
   }
   if(s.length<10)
   {
      for(i=s.length;i<10;i++)
      {
         s=' '+s;
      }
   }

   var j=0,ss='';
   for(i=s.length-1;i>=0;i--)
   {
     ss=s.charAt(i).concat(ss);
     j++;
     if(j==4) ss='-'+ss;
     if(j==7) ss=')'+ss;
     if(j==10) ss='('+ss;
   }
   
   if(ext!='')
   {
     ss+=' x';
     for(i=0; i<ext.length;i++)
     {
       if( (ext.charAt(i)>='0') && (ext.charAt(i)<='9') )
       {
         ss+=ext.charAt(i);
       }
     }
   }
   
   aTextbox.value=ss;
}

function phoneNumberSearch(aTextbox)
{
   var st=trim(aTextbox.value);
   var ext='';
   var x=st.indexOf('x');
   if(x==-1) x=st.indexOf('X');
   if(x>-1)
   {
     ext=st.substring(x,st.length);
     st=st.substring(0,x);
   }
   
   var i,s='';
   for(i=0; i<st.length;i++)
   {
     if( ((st.charAt(i)>='0') && (st.charAt(i)<='9')) || (st.charAt(i)=='_') )
       s+=st.charAt(i);
   }
   if(s.length<10)
   {
      for(i=s.length;i<10;i++)
      {
         s='_'+s;
      }
   }

   var j=0,ss='';
   for(i=s.length-1;i>=0;i--)
   {
     ss=s.charAt(i).concat(ss);
     j++;
     if(j==4) ss='-'+ss;
     if(j==7) ss=')'+ss;
     if(j==10) ss='('+ss;
   }
   
   if(ext!='')
   {
     ss+=' x';
     for(i=0; i<ext.length;i++)
     {
       if( (ext.charAt(i)>='0') && (ext.charAt(i)<='9') )
       {
         ss+=ext.charAt(i);
       }
     }
   }
   
   if(ss=='(___)___-____') ss='';
   aTextbox.value=ss;
}

// cookie-related functions:

function setCookie(name,value,bPersist)
{
	if (bPersist)
	{
		var date = new Date(2099,11,31,23,59,59);
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function getCookie(name,defaultVal)
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return defaultVal; //null;
}

function clearCookie(name)
{
	setCookie(name,"",-1);
}

// check/uncheck checkboxes
function checkall(aFormID) 
{
   var o=document.getElementById(aFormID);
   if(o) {
	   for (i=0; i<o.length; i++) {
	   	if(o[i].type=="checkbox") o[i].checked = true;
	   }
   }
} 

function uncheckall(aFormID) 
{
   var o=document.getElementById(aFormID);
   if(o) {
	   for (i=0; i<o.length; i++) {
	   	if(o[i].type=="checkbox") o[i].checked = false;
	   }
   }
} 
function submitform(aFormID)
{
   var o=document.getElementById(aFormID);
   if(o) o.submit();
}
function getObj(aID)
{
   var o=document.getElementById(aID);
   if(o) return o;
}
function getObjValue(aID)
{
   var o=document.getElementById(aID);
   if(o) return o.value;
}

function openInNewWindow(aURL)
{
	newblkwn=window.open(aURL,"newblkwn","resizable=yes,scrollbars=yes,menubar=yes,toolbar=yes");
}


// google map related:
function googleMap(sAddr) {
	ggmap=window.open("http://maps.google.com/maps?oi=map&q="+escape(sAddr),"ggmap","resizable=yes,scrollbars=yes,menubar=no,toolbar=no,location=no,status=yes,width=700,height=600");
}
function googleDirection(sAddr,dAddr) {
	ggmap=window.open("http://maps.google.com/maps?saddr="+escape(sAddr)+"&daddr="+escape(dAddr),"ggmap","resizable=yes,scrollbars=yes,menubar=no,toolbar=no,location=no,status=yes,width=700,height=600");
}

function Calculate()
{
	var xLabor,txtTotal,txtDeposit,txtBalance
	LaborObj=document.getElementById("xLabor");
	TotalObj=document.getElementById("txtTotal")
	DepositObj=document.getElementById("txtDeposit")
	BalanceObj=document.getElementById("txtBalance")
	
	xLabor=(LaborObj==null || LaborObj.value=="")?0:LaborObj.value;
	txtTotal=(TotalObj==null || TotalObj.value=="")?0:TotalObj.value;
	txtDeposit=(DepositObj==null || DepositObj.value=="")?0:DepositObj.value;
	BalanceObj.value=(Number(xLabor)+Number(txtTotal))-Number(txtDeposit);
}