function isEmpty (s) {
	if ( s == "" || s == null ) {
		return true;
	}
	return false;
}

function isEmail(str) {
  // are regular expressions supported?
  var supported = 0;
  if (window.RegExp) {
    var tempStr = "a";
    var tempReg = new RegExp(tempStr);
    if (tempReg.test(tempStr)) supported = 1;
  }
  if (!supported) 
    return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
  var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
  var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
  return (!r1.test(str) && r2.test(str));
}

// CheckIsDollar - Checks to see if the entered value is a number representing a monitry value.
function CheckIsDollar(e){
  var msg1 = "Please enter a currency value, dollar sign is not required.";
  var msg2 = "Not a valid number please re-enter";
  var newStr = "";
  var s = e.value;
  if ( s.charAt(0) == "$" ){
    for ( var i = 1; i < (s.length); i++){
      var c = s.charAt(i);
      newStr += c;
    }
  }
  else{
    newStr = s;
  }
  e.value = newStr;
  if( !IsNumber(newStr) ){
    alert(msg2);
    e.focus();
 	e.select();
    return false;
  }
  return true;
}

// IsNumber - Checks to see if the value passed is a number, that is not containing non-numeric
// characters.
function IsNumber(inputStr, integer) {
  for ( var i = 0; i < inputStr.length; i++) {
     var oneChar = inputStr.charAt(i);
     if (oneChar == "." && !integer) {
        integer = true;
     }
     else if ( (oneChar < "0" || oneChar > "9") && oneChar != " ") {
//     		if (oneChar <> " ") {
        		return false;
//        	}
     }
  }

  return true;
}

function IsValidDate(p)
{
  var sErrMsg = "Please Enter a Valid Date."
  with (p){
   // Declaring variables
    if (!isEmpty(value)){
      var MonthArr = new Array(12);
      var v_date = value;
      v_split = v_date.indexOf("/");
      v_split2 = v_date.indexOf("/", v_split + 1);
      var v_day = v_date.substring(0, v_date.indexOf("/"));
      var del1 = v_date.substring(v_split, v_split + 1);
      var v_month = v_date.substring(v_split + 1, v_split2);
      var del2 = v_date.substring(v_split2, v_split2 + 1);
      var v_year= v_date.substring(v_split2 + 1, v_date.length);

      // creating array of months 1 - 12
      // Also compensating for leap years
      MonthArr["1"] = 31
      MonthArr["01"] = 31
      if (((v_year % 4 == 0) && (v_year % 100 != 0)) || (v_year % 400 == 0)) {
         MonthArr["2"] = 29
         MonthArr["02"] = 29
      } else {
         MonthArr["2"] = 28
         MonthArr["02"] = 28
      }
      MonthArr["3"] = 31
      MonthArr["03"] = 31
      MonthArr["4"] = 30
      MonthArr["04"] = 30
      MonthArr["5"] = 31
      MonthArr["05"] = 31
      MonthArr["6"] = 30
      MonthArr["06"] = 30
      MonthArr["7"] = 31
      MonthArr["07"] = 31
      MonthArr["8"] = 31
      MonthArr["08"] = 31
      MonthArr["9"] = 30
      MonthArr["09"] = 30
      MonthArr["10"] = 31
      MonthArr["11"] = 30
      MonthArr["12"] = 31

      if (eval(value != '')) {
         if (v_day < 1 || v_day > MonthArr[v_month] || isNaN(v_day)) {
            alert(sErrMsg);
            focus();
            return false;
         } else {
         if (MonthArr[v_month] == null) {
            alert(sErrMsg);
            focus();
           return false;
         } else {
            if (isNaN(v_year) || v_year == "" || v_year.length != 4){
            alert(sErrMsg);
            focus();
            return false;
            }
         }
      }
   }
 }
}
   return true;
}

function formatNumber(expr, decplaces){
// this function formats the number to two decimal places
  var tempstr;
  tempstr =  "" + Math.round(eval(expr) * Math.pow(10,decplaces));
  while (tempstr.length <= decplaces){
    tempstr = "0" + tempstr
  }
    var decpoint = tempstr.length - decplaces;
    return tempstr.substring(0, decpoint) + '.' + tempstr.substring(decpoint, tempstr.length);
}

function expandCont(bn)
{
	var leftTab = document.getElementById(bn);
       	leftTab.style.display = (leftTab.style.display == "block")?"none":"block";
       	menu_category = document.getElementById(bn);
      	set_cookie_gen(bn,leftTab.style.display)

}

function setExpandCollapse_gen()
{
	var x = leftpanelistarray.length;

	for (i = 0 ; i < x ; i++)
	{
		var listObj=getObj(leftpanelistarray[i])
		var status = get_cookie_gen(leftpanelistarray[i])
		
		if(listObj!=undefined) {
		if (status == "block") {
			listObj.style.display="block";
		} else if(status == "none") {
			listObj.style.display="none";
		}
		}
	}
}

//Setting cookies
function set_cookie_gen ( name, value, exp_y, exp_m, exp_d, path, domain, secure )
{
  var cookie_string = name + "=" + escape ( value );

  if ( exp_y )
  {
    var expires = new Date ( exp_y, exp_m, exp_d );
    cookie_string += "; expires=" + expires.toGMTString();
  }

  if ( path )
        cookie_string += "; path=" + escape ( path );

  if ( domain )
        cookie_string += "; domain=" + escape ( domain );
  
  if ( secure )
        cookie_string += "; secure";
  
  document.cookie = cookie_string;
}

// Retrieving cookies
function get_cookie_gen ( cookie_name )
{
  var results = document.cookie.match ( cookie_name + '=(.*?)(;|$)' );

  if ( results )
    return ( unescape ( results[1] ) );
  else
    return null;
}

function getObj(n,d) {

  var p,i,x; 

  if(!d)

      d=document;

   
  if((p=n.indexOf("?"))>0&&parent.frames.length) {

    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);

  }



  if(!(x=d[n])&&d.all)

      x=d.all[n];

 

  for(i=0;!x&&i<d.forms.length;i++)

      x=d.forms[i][n];

 

  for(i=0;!x&&d.layers&&i<d.layers.length;i++)

      x=getObj(n,d.layers[i].document);

 

  if(!x && d.getElementById)

      x=d.getElementById(n);



  return x;

}