/**********************************
jsPhoneObject 
Usage: Object Script to be included as a source file. Contains
functions to format a phone number and check the format.
Created by Jeff Lee on 06/28/2001
Last Modified by Jeff Lee on 8/24/2001
Dependants: None
**********************************/

/**********************************
jsPhone.fixFormat(phone number to be formatted, optional format)
Usage: fixFormat formats a phone 
Example:
<input type="text" onkeyup="this.value=jsPhone.fixFormat(this.value);">
<input type="text"
onblur="this.value=jsPhone.fixFormat(this.value,'###-###-####');">
**********************************/

/*
 *  Modified to pass format as a parameter when object is created.
 */

function jsPhoneObject(format) {
    var defaultFormat = format;
    var minimumFinalLength = format.length;
    //var defaultFormat = "(###)###-####";
    //var minimumFinalLength = "(###)###-####".length;
    
    this.fixFormat = function (theValue,theFormat){ // this creates a method in the jsPhoneObject with a minimum of 1 argument
    if (event.keyCode==8) 
        return theValue;
    
    argv = this.fixFormat.arguments;
    format = ((argv.length==2)?argv[1]:defaultFormat);
    theValue = theValue.replace(/[^0-9]/g,"");
    if(theValue=="") 
        return theValue;
    tmp="";
    j=0;
    for (i=0;i<format.length;i++) {
        if(format.substr(i,1)=="#") {
            tmp+=theValue.substr(j,1);
            j++
            if(j==theValue.length)
               break;
        } else if(format.substr(i,1)=="%") {
            while (true) {
                    tmp+=theValue.substr(j,1);
                    j++
                    if(j==theValue.length) break;
                }
                break;
            } else {
                tmp+=format.substr(i,1);
            }
        }
        return tmp;
    }
    
    this.checkFormat = function (theValue){
        if(this.checkFormat.arguments.length>1) {
            minimumLength = ((this.checkFormat.arguments.length>2)?this.checkFormat.arguments[2]:this.checkFormat.arguments[1].length);
            if(theValue.length < minimumLength) return false;
            if(theValue!=this.fixFormat(theValue,this.checkFormat.arguments[1]))
              return false;
        } else {
            if(theValue.length < minimumFinalLength) return false;
            if(theValue!=this.fixFormat(theValue)) return false;
        }
        return true;
    }
}

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

function roll(img_name, img_src)   {
   document[img_name].src = img_src;
}