// JavaScript Document
//Francis Files
function isschar(text){
 var iChars = "!@#$%^&*()+=-[]\\\';,./{}|\":<>?";
        for (var i = 0; i < text.length; i++) {
                if (iChars.indexOf(text.charAt(i)) != -1) {
                alert ("The box has special characters. \nThese are not allowed.\n");
                return false;
        }
                }
   
return true;

}
String.prototype.trim = function() {

 // skip leading and trailing whitespace
 // and return everything in between
  var x=this;
  x=x.replace(/^\s*(.*)/, "$1");
  x=x.replace(/(.*?)\s*$/, "$1");
  return x;
}
function isArray(com) {
	if (typeof(com.length) == "undefined") {
		return false;
	}
	else {
		return true;
	}
}

function isArraySelectBox(com) {
	if (typeof(com[0].length) == "undefined") {
		return false;
	}
	else {
		return true;
	}
}

function trim(str) {
	var strTrim = "";
	var i, j;
	
	if (isEmpty(str)) return strTrim;
	
	for (i=0; i<str.length; i++) {
		if (str.charAt(i) != " ") break;
	}
	for (j=str.length-1; j>=0; j--) {
		if (str.charAt(j) != " ") break;
	}
	
	strTrim = str.substr(i, j-i+1);
	return strTrim;
}
function remove_spaces(str) {
	var strTrim = "";
	var i, j;
	
	if (isEmpty(str)) return strTrim;
	
	for (i=0; i<str.length; i++) {
		if (str.charAt(i) != " ") break;
	}
	for (j=str.length-1; j>=0; j--) {
		if (str.charAt(j) != " ") break;
	}
	
	strTrim = str.substr(i, j-i+1);
	alert("return :"+strTrim);
	return strTrim;
}

function isEmpty(str) {
	return ((str==null) || (str.length==0));
}

function isWhiteSpace(str) {
	return isEmpty(trim(str));
}

function isDigit(d) {
	return ((d >= "0") && (d <= "9"));
}

function isLetter(c) {
	return (((c >= "a") && (c <= "z")) || ((c >= "A") && (c <= "Z")));
}

function isNumeric(strNum) {
	var i;
	
	if (isWhiteSpace(strNum) == true) {
		return false;
	}
	
	strNum = trim(strNum);
	
	for (i=0; i<strNum.length; i++) {
		var chr = strNum.charAt(i);
		if (!isDigit(chr)) {
			return false;
		}
	}
	return true;
}
function isInteger(s)
{   var i;

    if (isEmpty(s)) 
       if (isInteger.arguments.length == 1) return false;
       else return (isInteger.arguments[1] == true);

    // Search through string's characters one by one
    // until we find a non-numeric character.
    // When we do, return false; if we don't, return true.

    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);

        if (!isDigit(c)) return false;
    }

    // All characters are numbers.
    return true;
}

function isAlphaNumeric(strNum) {
	var i;
	
	if (isWhiteSpace(strNum) == true) {
		return false;
	}
	
	strNum = trim(strNum);
	
	for (i=0; i<strNum.length; i++) {
		var chr = strNum.charAt(i);
		if (!isDigit(chr) && !isLetter(chr)) {
			return false;
		}
	}
	return true;
}

function isAlphaOnly(strNum) {
	var i;
	
	if (isWhiteSpace(strNum) == true) {
		return false;
	}
	
	strNum = trim(strNum);
	
	for (i=0; i<strNum.length; i++) {
		var chr = strNum.charAt(i);
		if (!isLetter(chr)) {
			return false;
		}
	}
	return true;
}

function isEmail(s)
{   
	
	//alert(s); 
   	// is s whitespace?
    //if (isWhitespace(s)) return false;
    
    // there must be >= 1 character before @, so we
    // start looking at character position 1 
    // (i.e. second character)
    var i = 1;
    var sLength = s.length;

    // look for @
    while ((i < sLength) && (s.charAt(i) != "@"))
    { i++;
    }

    if ((i >= sLength) || (s.charAt(i) != "@")) return false;
    else i += 2;

    // look for .
    while ((i < sLength) && (s.charAt(i) != "."))
    { i++;
    }

    // there must be at least one character after the .
    if ((i >= sLength - 1) || (s.charAt(i) != ".")) return false;
    else
	return true;
}

//Function to check whether the string is a valid integer
//Function to check whether the zipcode is a valid US zip code
function isZIPCode(field) 
{
	var valid = "0123456789";
	var hyphencount = 0;
	
	if (field.length!=5) {
	alert("Please enter your 5 digit zip code.");
	return false;
	}
	for (var i=0; i < field.length; i++) {
	temp = "" + field.substring(i, i+1);
	if (valid.indexOf(temp) == "-1") {
	alert("Invalid characters in your zip code.  Please try again.");
	return false;
	}

	}
	return true;
}

function isMoney(str) 
// Dennis Seo: this is really simple check. If this ever needs to be
// sofisticated, it needs to be updated.
{
	var valid = "0123456789.-"
	var temp;
	for (var i=0; i<str.length; i++) {
		temp = "" + str.substring(i, i+1);
		if (valid.indexOf(temp) == "-1") 
			//ok = "no";
			return false;
	}
	return true;
}

function isCheckedRadio(objRadio) {
	checked = false;
	if (objRadio) {
		count = objRadio.length;
		if(count == 1) {
			checked = objRadio.checked;
		} 
		else {
			for(var i=0; i<count; i++) {
				if(objRadio[i].checked) {
					checked = true;
				}
			}
		}
	}
	return checked;
}

function isSelected(frmObjSelect)
{
	if (frmObjSelect.value == -1) {
		return false;
	}
	else {
		return true;
	}
}


								function moveDownList(listField) {
   if ( listField.length == -1) {  // If the list is empty
      alert("There are no values which can be moved!");
   } else {
      var selected = listField.selectedIndex;
      if (selected == -1) {
         alert("You must select an entry to be moved!");
      } else {  // Something is selected 
         if ( listField.length == 0 ) {  // If there's only one in the list
            alert("There is only one entry!\nThe one entry will remain in place.");
         } else {  // There's more than one in the list, rearrange the list order
            if ( selected == listField.length-1 ) {
               alert("The last entry in the list cannot be moved down.");
            } else {
               // Get the text/value of the one directly below the hightlighted entry as
               // well as the highlighted entry; then flip them
               var moveText1 = listField[selected+1].text;
               var moveText2 = listField[selected].text;
               var moveValue1 = listField[selected+1].value;
               var moveValue2 = listField[selected].value;
               listField[selected].text = moveText1;
               listField[selected].value = moveValue1;
               listField[selected+1].text = moveText2;
               listField[selected+1].value = moveValue2;
               listField.selectedIndex = selected+1; // Select the one that was selected before
            }  // Ends the check for selecting one which can be moved
         }  // Ends the check for there only being one in the list to begin with
      }  // Ends the check for there being something selected
   }  // Ends the check for there being none in the list
}

								function moveUpList(listField) {
   if ( listField.length == -1) {  // If the list is empty
      alert("There are no values which can be moved!");
   } else {
      var selected = listField.selectedIndex;
      if (selected == -1) {
         alert("You must select an entry to be moved!");
      } else {  // Something is selected 
         if ( listField.length == 0 ) {  // If there's only one in the list
            alert("There is only one entry!\nThe one entry will remain in place.");
         } else {  // There's more than one in the list, rearrange the list order
            if ( selected == 0 ) {
               alert("The first entry in the list cannot be moved up.");
            } else {
               // Get the text/value of the one directly above the hightlighted entry as
               // well as the highlighted entry; then flip them
               var moveText1 = listField[selected-1].text;
               var moveText2 = listField[selected].text;
               var moveValue1 = listField[selected-1].value;
               var moveValue2 = listField[selected].value;
               listField[selected].text = moveText1;
               listField[selected].value = moveValue1;
               listField[selected-1].text = moveText2;
               listField[selected-1].value = moveValue2;
               listField.selectedIndex = selected-1; // Select the one that was selected before
            }  // Ends the check for selecting one which can be moved
         }  // Ends the check for there only being one in the list to begin with
      }  // Ends the check for there being something selected
   }  // Ends the check for there being none in the list
}
				function valid_image(strFilename)
 {
  
  //var ext=strFilename.substring(strFilename.length-3,strFilename.length);
  var separator = '.';
  var stringArray = strFilename.split(separator);
  ext=stringArray[stringArray.length-1];
  if ((ext!="jpg") &&  (ext!="JPG")&& (ext!="jpeg")&& (ext!="JPEG"))
   {
   	alert(ext+" extension is not valid .Pls Upload jpg File only! ex:logo.jpg");
  	return false;
   }else{
   return true;
   }
   
}
				function valid_audio(strFilename)
 {
  
  //var ext=strFilename.substring(strFilename.length-3,strFilename.length);
  var separator = '.';
  var stringArray = strFilename.split(separator);
  ext=stringArray[stringArray.length-1];
  if ((ext!="mp3") &&  (ext!="MP3")&& (ext!="wav")&& (ext!="WAV"))
   {
   	alert(ext+" extension is not valid .Pls Upload  wav or mp3 File only! ex:bg.mp3");
  	return false;
   }else{
   return true;
   }
   
}