function checkemail(){
var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i
var returnval=emailfilter.test(document.getElementById('txtEmail').value)
var img = document.getElementById('valid');
	if (returnval==false){
	img.src = 'images/mini_icons/icons_no.gif'
	img.title = 'Wrong email format !!';
	} else {
	img.src = 'images/mini_icons/icons_ok.gif'
	img.title = 'OK !!';
	}
}

function check_number() {
e_k=event.keyCode
//if (((e_k < 48) || (e_k > 57)) && e_k != 46 ) {
if (e_k != 13 && (e_k < 48) || (e_k > 57)) {
event.returnValue = false;
alert("ต้องเป็นตัวเลขเท่านั้น กรุณาตรวจสอบข้อมูลของท่านอีกครั้ง...\n(Must be at Number Please enter your information again...)");
}
}

function check_userpass() {
e_k=event.keyCode
if ((e_k < 13) || (e_k >13 && e_k < 45) || (e_k > 45 && e_k < 48) || (e_k > 57 && e_k < 65) || (e_k > 90 && e_k < 95) || (e_k > 95 && e_k < 97) || (e_k > 122)) {
event.returnValue = false;
alert("ต้องเป็นตัวอักษรภาษาอังกฤษ (a-z, A-Z), ตัวเลข (0-9), เครื่องหมาย \"-\", เครื่องหมาย \"_\" เท่านั้น  \nและห้ามมีการเว้นวรรคเด็ดขาด กรุณาตรวจสอบข้อมูลของท่านอีกครั้ง... \n(Must be at letters(a-z, A-Z), number (0-9), \"-\" sign, \"_\" sign, but no space \nPlease enter your information again...)");
}
}

function	hideRelation(box,id) {
	var elm = document.getElementById('chk_'+id);
	elm.style.display = box.checked? "none":"block" 
}

function showHideText(box,id)  {  
var elm = document.getElementById(id)  
elm.style.display = box.checked? "block":"none" 
}

function showHideBox(box,id)  {  
var elm = document.getElementById(id)  
elm.style.visibility = box.checked? "visible":"hidden" 
}

function checkObjOfMonth(box,id,id2)  {  
var elm = document.getElementById(id)  
var elm2 = document.getElementById(id2)  
elm.readOnly = box.checked? true:false 
elm.style.borderColor = box.checked? "":"#EAEAEA"
elm2.readOnly = box.checked? false:true 
elm2.style.borderColor = box.checked? "#EAEAEA":"" 
}

function showHideSubmit(box,id)  {  
var elm = document.getElementById(id)  
elm.disabled = box.checked? false : true 
}

function startAjax() {
   try { return new ActiveXObject("Msxml2.XMLHTTP");  } catch(e) {} //IE 6 , 7
   try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {} //IE 5 or Above
   try { return new XMLHttpRequest();          } catch(e) {} //Native Javascript 
   alert("XMLHttpRequest not supported");
   return null;
};

function stateAjax(check,load_bar){
switch (check.readyState)
{
	case 1:							
		load_bar.innerHTML='<img src="images/loading.gif" style="vertical-align: middle;"> โหลดข้อมูล';
	break;
	case 2:
		load_bar.innerHTML='Data Sent...';
	break;
	case 3:
		load_bar.innerHTML='Getting...';
	break;
	case 4:
		load_bar.innerHTML='';
		if (check.readyState.status == 200)
		{
			alert('complete...');
		}
	break;
}

}

/* Script ทำหน้า Pages Loading*/

function clearPreloadPage() { //DOM
	if (document.getElementById){
	document.getElementById('prepage').style.visibility='hidden';
	} else { if(document.layers){ //NS4
	document.prepage.visibility = 'hidden';
	} else { //IE4
	document.all.prepage.style.visibility = 'hidden';
	}

}

}

function autoFocus(filename){
	if (filename == "login")
	{
		document.getElementById('user').focus();
	}
	
}

function highlight(which,color){
if (document.all || document.getElementById)
which.style.backgroundColor=color
}


// ไฟล์ Preload Image // ======================

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_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_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];}
}

// ======================

//####### Create Popup

function createPOP(url,name,additional) {
	window.open(url,name,additional);
}