var digits = "0123456789";var phoneNumberDelimiters = "()- ";var validWorldPhoneChars = phoneNumberDelimiters + "+";var minDigitsInIPhoneNumber = 10;var minDigitsInINumber = 1;
function isInteger(s){   var i;    for (i = 0; i < s.length; i++){   var c = s.charAt(i);        if (((c < "0") || (c > "9"))) return false;}return true;}function stripCharsInBag(s, bag){   var i;    var returnString = "";for (i = 0; i < s.length; i++){var c = s.charAt(i);if (bag.indexOf(c) == -1) returnString += c;}return returnString;}
function checkInternationalPhone(strPhone){s=stripCharsInBag(strPhone,validWorldPhoneChars);return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);}
function CheckInteger(strNumber){s=stripCharsInBag(strNumber,validWorldPhoneChars);return (isInteger(s) && s.length >= minDigitsInINumber);}function openWindowImage(url) {
newwindow2=window.open(url,'winimage','height=400,width=500,left=100,top=100,directories=no,location=no,menubar=no,resizable=yes,scrollbars=yes,toolbar=no,status=no');
   if (window.focus) {newwindow2.focus()}			  
}function openWindowlink(url) {var newwindowlink = null;newwindowlink=window.open(url,'winlink','height=300,width=500,left=100,top=100,directories=no,location=no,menubar=no,resizable=yes,scrollbars=yes,toolbar=no,status=no');if (window.focus) {newwindowlink.focus()}}function adminwindow(url) {adminw=window.open(url,'adminw','directories=no,location=no,menubar=no,resizable=yes,scrollbars=yes,toolbar=no,status=no');if (window.focus) {adminw.focus()}}function openWindow3(url) {newwindow3=window.open(url,'win','height=300,width=300,directories=no,location=no,menubar=yes,resizable=yes,scrollbars=yes,toolbar=no,status=no');if (window.focus) {newwindow3.focus()}}function openWindowgallery(url) {
newwindow4=window.open(url,'wingallery','height=350,width=450,left=100,top=100,directories=no,location=no,menubar=no,resizable=yes,scrollbars=yes,toolbar=no,status=no');
   if (window.focus) {newwindow4.focus()}			  
}
function file_selected(url) {
   window.open(url,'popup','directories=no,location=0,status=0,scrollbars=1,resizable=0,width=550,height=420'); 
}
function closewindows() {window.close();}
function goback(url) {document.location.href = url;}
//function select_file(url) {document.location.href = url;}
function addnew(url) {document.location.href = url;}
function updateParent() {opener.document.getElementById("course_th_description"). value = this.value;
}function check_course_description() {
     if (document.getElementById("im")) {
        document.getElementById("im").onchange = updateParent;
     }
}function select_type(url) {document.forms.action = url;document.forms.method = "post";document.forms.target = "_self";document.forms.submit();}function checkall(rows) {var r = eval(rows);for (var j = 1; j <= r; j++) {box = eval("document.forms.ckbox" + j);if (document.forms.ckboxall.checked == true) {box.checked = true;} else {box.checked = false; }}}function deldata(url,rows){var r = eval(rows);var sum = 0;for (var j = 1; j <= r; j++) {box = eval("document.forms.ckbox" + j); if ( box.checked == true) {sum ++;}}if (sum > 0) {if (confirm("ต้องการลบข้อมูลหรือไม่ !")) {document.forms.action = url;document.forms.method = "post";document.forms.target = "_self";document.forms.submit();} else {document.forms.reset();return false;} } else { 	alert ("กรุณาคลิกเลือกข้อมูลที่ต้องการลบ"); return false;}return true;}function showdata(url,rows){var r = eval(rows);var sum = 0;for (var j = 1; j <= r; j++) {box = eval("document.forms.ckbox" + j); if ( box.checked == true) {sum ++;}}if (sum > 0) {document.forms.action = url;document.forms.method = "post";document.forms.target = "_self";document.forms.submit();} else {alert ("กรุณาคลิกเลือกข้อมูลที่ต้องการแสดง"); return false;}return true;}function savedata(url,rows){var r = eval(rows);var sum = 0;	for (var j = 1; j <= r; j++) {box = eval("document.forms.ckbox" + j); if ( box.checked == true) {sum ++;}}if (sum > 0) { document.forms.action = url;document.forms.method = "post";document.forms.target = "_self";document.forms.submit(); } else { 	alert ("กรุณาคลิกเลือกข้อมูลที่ต้องการปรับปรุง"); return false;} return true;}function select_file(url){var sum = 0;var checkbox=0;var numberOfControls = document.forms.length;var x;for (controlIndex = 0; controlIndex < numberOfControls; controlIndex++){x = document.forms[controlIndex];if(x.type == "checkbox"){if(x.checked==true){sum++;}}}if (sum > 0) { document.forms.action = url;document.forms.method = "post";document.forms.target = "_self";document.forms.submit(); } else { 	alert ("กรุณาคลิกเลือกข้อมูลที่ต้องการ"); return false;} return true;}function select_file2(url,rows){var r = eval(rows);var sum = 0;	for (var j = 1; j <= r; j++) {box = eval("document.forms.ckbox" + j); if ( box.checked == true) {sum ++;}}if (sum > 0) { document.forms.action = url;document.forms.method = "post";document.forms.target = "_self";document.forms.submit(); } else { 	alert ("กรุณาคลิกเลือกข้อมูลที่ต้องการ"); return false;} return true;}function resetpwd() {if( document.getElementById("hidethis1").style.display !='none' & document.getElementById("hidethis2").style.display !='none'){document.getElementById("hidethis1").style.display = 'none';document.getElementById("hidethis2").style.display = 'none';} else { document.getElementById("hidethis1").style.display = '';document.getElementById("hidethis2").style.display = '';  }  }
function updatedata(url,rows){var r = eval(rows);var sum = 0;	for (var j = 1; j <= r; j++) {box = eval("document.forms.ckbox" + j); if ( box.checked == true) {sum ++;}}if (sum > 0) { document.forms.action = url;document.forms.method = "post";document.forms.target = "mainFrame";document.forms.submit(); } else { 	alert ("กรุณาคลิกเลือกข้อมูลที่ต้องการปรับปรุง"); return false;} return true;}
function remove_picture (imageurl) {
	   document.forms.changepic.value = 1;
	   document.forms.pic.src = imageurl;
}
function remove_file (id) {
	   document.forms.changepic.value = 1;
	   document.getElementById(id).value = "";
}

function contactCheck() {
msg_error ="";
	if (document.cform.contact_to.value =="") {
		msg_error ="คลิกเลือกชื่อที่ต้องการติดต่อด้วย\n";
	}	
	if (document.cform.contact_name.value.length < 2) {
		msg_error = msg_error + "พิมพ์ชื่อผู้ติดต่อด้วย\n";
		//forms.name.focus();
	    //return false;
	}
	if(document.cform.contact_email.value.length < 2) {
           msg_error = msg_error + "พิพม์อีเมล์ผู้ติดต่อด้วย\n";	
	} else {
		if(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.cform.contact_email.value)){
			//return true;
		} else {
		    msg_error = msg_error + "พิมพ์อีเมล์ไม่ถูกต้องตามรูปแบบ\n";
		}
	}	
	if (document.cform.contact_subject.value.length < 2) {
		msg_error = msg_error + "พิมพ์เรื่องที่ต้องการติดต่อด้วย\n";
	}	
	if (document.cform.contact_comment.value.length < 2) {
		msg_error = msg_error + "พิมพ์ข้อความด้วย";
	}
	if(msg_error) {
	    alert(msg_error);
		return false;
	} else {	
	return true;
   }	
}function form_Login() {
msg_error ="";
username = document.forms_login.uname.value.toLowerCase();
password = document.forms_login.pword.value.toLowerCase();
	if (username.length < 2) {
		msg_error = "พิมพ์ชื่อผู้ใช้งานด้วย\n";
	}
	if (password.length < 2) {
		msg_error = msg_error + "พิมพ์รหัสผ่านด้วย";
	}	
	if(msg_error) {
	    alert(msg_error);
		return false;
	} else {	
	document.forms_login.submit();
	return true;
   }	
}function topic_Login() {
msg_error ="";
username = document.topic_login.uname.value.toLowerCase();
password = document.topic_login.pword.value.toLowerCase();
	if (username.length < 2) {
		msg_error = "พิมพ์ชื่อผู้ใช้งานด้วย\n";
	}
	if (password.length < 2) {
		msg_error = msg_error + "พิมพ์รหัสผ่านด้วย";
	}	
	if(msg_error) {
	    alert(msg_error);
		return false;
	} else {	
	document.topic_login.submit();
	return true;
   }	
}function logout(url) {
            if (confirm("ต้องการออกจากระบบหรือไม่ !")) {
				  document.location.href = url;
                 return true				
		    } else {
			    return false;
		    } 
}