function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

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 view() {}
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function ltrim (s){
	return s.replace( /^\s*/, "" );
}

function rtrim (s){
	return s.replace( /\s*$/, "" );
}

function trim (s){
	return rtrim(ltrim(s));
}

function IsNull(obj, msg){
	if (trim(obj.value) == "") {
		alert(msg);
		obj.select();
		return true;
	}
	return false;
}

function IsEqual(str1, str2, msg){
	if (str1 != str2) {
		alert(msg);
		return true;
	}
	return false;
}

function IsInvalidEmail(obj, msg) {
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9])+$/;
	if (!filter.test(obj.value)) {
		alert(msg);
		obj.select();
		return true;
	}
	return false;
}

function IsValidInteger(Obj, lang){
    var allowed = '0123456789';
    var string = Obj.value;
    for (var i=0; i< string.length; i++) {
        if (allowed.indexOf(string.charAt(i)) == -1) {
			if (lang == "th")
	            alert('กรุณากรอกเลขจำนวนเต็มเท่านั้น');
			else 
	            alert('Integer only');
            Obj.select();
            return false;
        }
    }
    return true;
}

function IsValidDouble(Obj, lang){
    var allowed = '0123456789.';
    var string = Obj.value;
    for (var i=0; i< string.length; i++) {
        if (allowed.indexOf(string.charAt(i)) == -1) {
			if (lang == "th")
	            alert('กรุณากรอกเลขทศนิยมเท่านั้น');
			else 
	            alert('Double precision only');
            Obj.select();
            return false;
        }
    }
    return true;
}

function IsValidFaxNo(Obj){
    var allowed = '0123456789Pp';
    var string = Obj.value;
    for (var i=0; i< string.length; i++) {
        if (allowed.indexOf(string.charAt(i)) == -1) {
            alert("อนุญาต '0123456789Pp' เท่านั้น\n(ไม่เว้นวรรค)");
            Obj.select();
            return false;
        }
    }
    return true;
}

function IsValidUsernamePassword(Obj, lang){
    var allowed = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890abcdefghijklmnopqrstuvwxyz';
    var string = Obj.value;
    for (var i=0; i< string.length; i++) {
        if (allowed.indexOf(string.charAt(i)) == -1) {
			if (lang == "th")
				alert("อนุญาต 'ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890abcdefghijklmnopqrstuvwxyz' เท่านั้น\n(ไม่เว้นวรรค)");
			else 
				alert("Allowed 'ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890abcdefghijklmnopqrstuvwxyz' only\n(no space)");
            Obj.select();
            return false;
        }
    }
    return true;
}

function HideMenu()
{
	top.frames.mainbody.cols = "0,*";
}

function ShowMenu()
{
	top.frames.mainbody.cols = "180,*";
}

/* Bookmark site script ... */
/* Modified to support Opera */
function bookmarkSite(title, url) {
if (window.sidebar) { // firefox
	window.sidebar.addPanel(title, url, "");
}
else if(window.opera && window.print) { // opera
	var elem = document.createElement('a');
	elem.setAttribute('href',url);
	elem.setAttribute('title',title);
	elem.setAttribute('rel','sidebar');
	elem.click();
} 
else if(document.all) // ie
	window.external.AddFavorite(url, title);
}