function IsNumber(sText,Label)
{

   var ValidChars = "0123456789";
   var IsNumber=true;
   var Char;
   if(sText=="") {alert(Label+ " Should not be Empty");return false}
   for (i = 0; i < sText.length && IsNumber == true; i++) 
   { 
      Char = sText.charAt(i); 
      if(ValidChars.indexOf(Char) == -1) 
      {
         IsNumber = false;
      }
   }
   if(!IsNumber)
   	alert(Label+ " Must Be numeric")
   return IsNumber;
}
function IsPhoneNo(sText,Label)
{

   var ValidChars = "0123456789 ";
   var IsNumber=true;
   var Char;
   if(sText=="") {alert(Label+ " Should not be Empty");return false}
   for (i = 0; i < sText.length && IsNumber == true; i++) 
   { 
      Char = sText.charAt(i); 
      if(ValidChars.indexOf(Char) == -1) 
      {
         IsNumber = false;
      }
   }
   if(!IsNumber)
   	alert(Label+ " Must Be numeric");
   return IsNumber;
}

function IsFax(sText,Label)
{
   var ValidChars = "0123456789-() ";
   var IsNumber=true;
   var Char;
   if(sText=="") {alert(Label+ " Should not be Empty");return false}
   for (i = 0; i < sText.length && IsNumber == true; i++) 
   { 
      Char = sText.charAt(i); 
      if(ValidChars.indexOf(Char) == -1) 
      {
         IsNumber = false;
      }
   }
   if(!IsNumber)
   	alert(Label+ " Must Be in Format eg:229-230-4443 or (229)-230-4443")
   return IsNumber;
}

function IsAmount(sText)
{
   var ValidChars = "0123456789.";
   var IsAmount=true;
   var Char;
   if(sText=="") return false
   for (i = 0; i < sText.length && IsAmount == true; i++) 	
   { 
		 Char = sText.charAt(i); 
		 if (ValidChars.indexOf(Char) == -1) 
         {
    	     IsAmount = false;
         }
   }
   return IsAmount;
}

function IsValidAmount(sText,Label)
{
	if(!IsAmount(sText))
	{
		alert("Invalid "+Label+".. "+Label+" Must Have Numeric Values")
		return false;
	}
	AmtArray = sText.split(".")
	if(AmtArray.length>2)
	{
		alert("Invalid "+Label+".. "+Label+" Must have single Period for Float")
		return false;
	}
	if(AmtArray.length>1)
	{
		FloatAmt = AmtArray[1];
		if(FloatAmt.length>2)
		{
			alert("Invalid "+Label+"..  Float Value must have two Digits")
			return false;
		}
	}
	return true
}


function IsFloat(sText,Label)
{
	if(!IsAmount(sText))
	{
		alert("Invalid "+Label+".. "+Label+" Must Have Numeric Values")
		return false;
	}
	AmtArray = sText.split(".")
	if(AmtArray.length>2)
	{
		alert("Invalid "+Label+".. "+Label+" Must have single Period for Float")
		return false;
	}
	return true
}

function isEmailAddr(email)
{
  var result = false;
  var theStr = new String(email);
  var index = theStr.indexOf("@");
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}

function trim(str)
{
	/*while(''+Val.charAt(0)==' ')
	Val=Val.substring(1,Val.length);
	return Val*/
	return str.replace(/^\s*|\s*$/g,"");
}

function IsValid(Val,Label)
{
	if(trim(Val)=="")
	{
		alert(Label+" Should Not be Empty")
		return false;
	}
	return true;
}

function IsValidName(sText,Label)
{
   var ValidChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ. ";
   var IsValid=true;
   var Char;
   if(sText=="") {alert(Label+ " Should not be Empty");return false}
   for (i = 0; i < sText.length && IsValid == true; i++) 
   { 
      Char = sText.charAt(i); 
      if(ValidChars.indexOf(Char) == -1) 
      {
         IsValid = false;
      }
   }
   if(!IsValid)
   	alert("Invalid Characters found in "+Label);
   return IsValid;
}


function splitText(theNotes)
{
		theString = theNotes.split("\n")
		NewString = ""
		for(i=0;i<theString.length;i++)
		{
			NewString+=theString[i]+"|"
		}
		return NewString
}
function floatRound(number,X) {
	X = (!X ? 2 : X);
	return Math.round(number*Math.pow(10,X))/Math.pow(10,X);
}

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,Label){
	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 for "+Label)
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month for "+Label+"\nDate Format is mm/dd/yyyy")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day for "+Label+"\nDate Format is mm/dd/yyyy")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear+" for "+Label+"\nDate Format is mm/dd/yyyy")
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date for "+Label+"\nDate Format is mm/dd/yyyy")
		return false
	}
return true
}

function CheckExt(value,label)
	{
		var ext = value.split(".")
		ext[1]=ext[1].toUpperCase();
		if(label.indexOf(ext[1]) == -1)
			return false;
		else
			return true;
	}
	
	function getPopupX(popupx){
		PopupLeft    = (screen.width-popupx)/2;
		return PopupLeft;
	}
	function getPopupY(popupy){
		PopupTop     = (screen.height-popupy)/2;
		return PopupTop;
	}
	
	function IsValidURL(strURL,n)
	{
		strURL 		= strURL.toUpperCase();
				
		if(strURL==""||strURL=="HTTP://") return false	
		thePrefix 	= strURL.substr(0,7).toUpperCase();
		if(thePrefix!="HTTP://") return false;
		if(n!=-1) if(strURL.split("/").length>n) return false;
		
		return true
	}
	
function IsaCardno(fld)
{ 
	var result=true
	var st=fld.value
	if(!isNaN(st) && st.length>12 && st.length<17)
	{
	
		var adig=parseInt(st.charAt(0))
		var twodig=parseInt(st.substring(0,2))
		var fourdig=parseInt(st.substring(0,4)) 
		
		if(st.length==13) {if(adig==4){result=false}}
		else if(st.length==15)
		{
			if(!(twodig==34 || twodig==37)){result=false}
		}
		else if(st.length==16)
		{
		if(!(adig==4 || fourdig==6011 || twodig==16 || (twodig>50 && twodig<55)))
			{result=false}
		}
		else 
		{
			result=false
			alert("Invalid Credit Card Number")    
		}
		if(!result){alert("Invalid Credit Card Number")}
		else
		{
			var sum=0
			var v=0
			for(var i=1; i<st.length+1; i++)
			{
				v=parseInt(st.charAt(st.length-i))
				if(i % 2 ==0)
					{sum=sum+(v*2) % 10 + Math.floor((v*2)/10)}
				else
				{sum=sum+v}
			}//for i
			if(sum % 10)
			{
				result=false
				alert("Invalid Credit Card Number")
			}
		}//luhn check
	}//if correct length
	else
	{
		result=false
		alert("Invalid Credit Card Number")
	}

	if(!result)
	{
		fld.select()
	}
	return result
}	
function IsValidName(sText,Label)
{
   var ValidChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ. ";
   var IsValid=true;
   var Char;
   if(sText=="") {alert(Label+ " Should not be Empty");return false}
   for (i = 0; i < sText.length && IsValid == true; i++) 
   { 
      Char = sText.charAt(i); 
      if(ValidChars.indexOf(Char) == -1) 
      {
         IsValid = false;
      }
   }
   if(!IsValid)
   	alert("Invalid Characters found in "+Label);
   return IsValid;
}
function ShiftPage(tab,trigger,Page,Display,searchval,action){		
        document.forms[document.forms.length-1].tabToLoad.value=tab
		document.forms[document.forms.length-1].triggerEvent.value=trigger
		document.forms[document.forms.length-1].Page.value=Page
		document.forms[document.forms.length-1].Display.value=Display
		document.forms[document.forms.length-1].Search.value=searchval
		document.forms[document.forms.length-1].Action.value="make_model.php?skey="+searchval;
		document.forms[document.forms.length-1].submit();
}