function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function hov(loc, cls){
   if(loc.className)
      loc.className=cls;}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function changeColor(id, color)
{
	if (document.layers || document.getElementById)
	{
		var st=document.getElementById(id);
		st.style.borderColor= color;
		st.style.backgroundColor='#FFFF99';
	}
}
function isEmail(x) {
	var filter  = /^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*\.(([a-zA-Z]{2,3})|(aero|coop|info|museum|name))$/;
	if (filter.test(x.toLowerCase())) return true;
	return false;
}
function isNumeric(num) {
	st="0123456789";
	for (i=0; i<num.length; i++) {
		if (0 > st.indexOf(num.charAt(i))) return false;
	}
	return true;
}
function isNumericAndComma(num) {
	st="0123456789,";
	for (i=0; i<num.length; i++) {
		if (0 > st.indexOf(num.charAt(i))) return false;
	}
	return true;
}
function validateZIP(field) {
var valid = "0123456789-";
var hyphencount = 0;

if (field.length!=5 && field.length!=10) {
return false;
}
for (var i=0; i < field.length; i++) {
temp = "" + field.substring(i, i+1);
if (temp == "-") hyphencount++;
if (valid.indexOf(temp) == "-1") {
return false;
}
if ((hyphencount > 1) || ((field.length==10) && ""+field.charAt(5)!="-")) {
return false;
   }
}
return true;
}
function isURL(argvalue) {
  if (argvalue.indexOf(" ") != -1)
    return false;
  else if (argvalue.indexOf("http://") == -1)
    return false;
  else if (argvalue == "http://")
    return false;
  else if (argvalue.indexOf("http://") > 0)
    return false;

  argvalue = argvalue.substring(7, argvalue.length);
  if (argvalue.indexOf(".") == -1)
    return false;
  else if (argvalue.indexOf(".") == 0)
    return false;
  else if (argvalue.charAt(argvalue.length - 1) == ".")
    return false;

  if (argvalue.indexOf("/") != -1) {
    argvalue = argvalue.substring(0, argvalue.indexOf("/"));
    if (argvalue.charAt(argvalue.length - 1) == ".")
      return false;
  }

  if (argvalue.indexOf(":") != -1) {
    if (argvalue.indexOf(":") == (argvalue.length - 1))
      return false;
    else if (argvalue.charAt(argvalue.indexOf(":") + 1) == ".")
      return false;
    argvalue = argvalue.substring(0, argvalue.indexOf(":"));
    if (argvalue.charAt(argvalue.length - 1) == ".")
      return false;
  }

  return true;

}
function isIntegerInRange (s, a, b)
{   if (isEmpty(s.value)) 
       if (s.value.length == 1) return true;
       else return (s[1].value == true);

    if (!isInteger(s, false)) return false;

    var num = parseInt (s.value);
    return ((num >= a) && (num <= b));
}
function trim(s)
{
	return s.value.replace(/^\s+|\s+$/g, "");
}
function isEmpty(elem){
	if(elem.value.length == 0){
		return true;
	}
	return false;
}
function isDigit (c)
{
	return ((c >= "0") && (c <= "9"))
}
function isFloat (s)
{
    var i;
    var seenDecimalPoint = false;
    if (isEmpty(s) || (s==""))
       if (s.value.length == 1) return true;
       else return (s[1].value == true);
    if (s.value == ".") return false;
    for (i = 0; i < s.value.length; i++)
    {   
        var c = s.value.charAt(i);
        if ((c == ".") && !seenDecimalPoint) seenDecimalPoint = true;
	        else if (!isDigit(c)) return false;
    }
    return true;
}
function isAlphabetAndBlank(str)
{
    if(/^[a-zA-Z ]+$/.test(str))
	{
		return true;
	}
	else
	{
		return false;
	}
}
function isValidCity(str)
{
    if(/^[a-zA-Z \.\'\&\-]+$/.test(str))
	{
		return true;
	}
	else
	{
		return false;
	}
}
function isAlphabet(str)
{
    if(/^[a-zA-Z]+$/.test(str))
	{
		return true;
	}
	else
	{
		return false;
	}
}
function isAlphanumeric(str)
{
    if(/^[0-9a-zA-Z]+$/.test(str))
	{
		return true;
	}
	else
	{
		return false;
	}
}
function atLeast1Alfa1Digit(str)
    {
        if(/^(?=.*\d)(?=.*[a-zA-Z])/.test(str))
//        if(/^(?=.*\d)(?=.*[a-zA-Z])[a-zA-Z\d]+(([\'\,\.\- #][a-zA-Z#\d ])?[a-zA-Z\d]*[\.]*)*$/.test(str))
//		if(/(?=.*\d)(?=.*[a-zA-Z])/.test(str))
        {
            return true;
        }else{
			return false;
        }
    }
function AlfaNumWithAtLeast1Alfa1Digit(str)
{
   if (/^([A-Za-z]+\d+[A-Za-z0-9]*)|(\d+[A-Z]+[A-Za-z0-9]*)$/.test(str)) {
	return true;
   }
   else {
	return false;
   }
}

function isCurrency(str)
{
    if(/^\$?([0-9]{1,3},([0-9]{3},)*[0-9]{3}|[0-9]+)(\.[0-9][0-9])?$/.test(str))
    {
		return true;
    }else{
        return false;
    }
}


function showDIVCentered(id, w, h) {
	if (document.all) {
		var _top=(document.body.clientHeight-h)>>1;
		var _left=(document.body.clientWidth-w)>>1;
	}else{
		var _top=(window.innerHeight-h)>>1;
		var _left=(window.innerWidth-w)>>1;
	}
	document.getElementById(id).style.left = _left.toString() + "px";
	document.getElementById(id).style.top = _top.toString() + "px";
}