// JavaScript Document
function checkurl(url) {
	document.frm.action=url;
	//document.frm.onsubmit(); 
	document.frm.submit();
	
	//document.edit.submit(url);
}

function checkurlSubmit(url) {
	document.frm.action=url;
	document.frm.onsubmit(); 
	document.frm.submit();
	
	//document.edit.submit(url);
}

function popup_check_approve(url, textalert) {
	question = confirm(textalert);
	if (question != "0")
	{
		document.frm.action=url;
		document.frm.submit();
	}
	
}

function checkurl_confirm(url, textalert) {
	question = confirm(textalert);
	if (question != "0")
	{
		window.open(url);
		//window.opener = self;
		window.close();
	}
	
}

function check_num(field) {
	//alert('dgdf');
	var charCode = event.keyCode;
	//if (charCode > 31 && (charCode < 48 || charCode > 57)) {
	if ((charCode != 45) && (charCode != 46) && (charCode < 48 || charCode > 57)) { //(-) && (.) && (0-9)
		alert('<b>' + field + '</b>' + ' : กรอกข้อมูลได้เฉพาะตัวเลขเท่านั้น');
		event.returnValue = false;
	}
}

function check_image(show, td_show, err_txt) {
	var doc = document.frm;
	var str = document.getElementById(show).value;
	var file = document.getElementById(show);
	var td = document.getElementById(td_show);
	//var str = doc.attachfile.value;
	var lng = str.length;
	var arrstr = str.split(".")
	if( (arrstr[arrstr.length-1].toLowerCase() == 'jpg') || (arrstr[arrstr.length-1].toLowerCase() == 'jpeg') || (arrstr[arrstr.length-1].toLowerCase() == 'gif') ) {
		return true;
	} else {
		alert(err_txt); 
		//alert('This file type is not Image, Please select Image.'); 
		td.innerHTML = "";
		td.innerHTML = "<input type='file' name='" + show + "' id='" + show + "' onchange=\"check_image('" + show + "', '" + td_show + "')\"/>";
		//document.getElementById(show).value = "";
	}
}

function check_file(show, td_show, error_alert) {
	var doc = document.frm;
	var str = document.getElementById(show).value;
	var file = document.getElementById(show);
	var td = document.getElementById(td_show);
	//var str = doc.attachfile.value;
	var lng = str.length;
	var arrstr = str.split(".")
	if( arrstr[arrstr.length-1].toLowerCase() == 'pdf' ) {
		return true;
	} else if( (arrstr[arrstr.length-1].toLowerCase() == 'doc') || (arrstr[arrstr.length-1].toLowerCase() == 'docx') ) {
		return true;
	} else if( (arrstr[arrstr.length-1].toLowerCase() == 'ppt') || (arrstr[arrstr.length-1].toLowerCase() == 'pptx') ) {
		return true;
	} else if( (arrstr[arrstr.length-1].toLowerCase() == 'xls') || (arrstr[arrstr.length-1].toLowerCase() == 'xlsx') ) {
		return true;
	} else {
		alert(error_alert); 
		//alert('This file type is not Acrobat(pdf), MS Word (doc,docx), MS Excel (xls,xlsx), MS Power Point (ppt, pptx). Please select again.'); 
		td.innerHTML = "";
		td.innerHTML = "<input style='width:100%' type='file' name='" + show + "' id='" + show + "' onchange=\"check_file('" + show + "', '" + td_show + "')\"/>";
	}
}

function editDateFormat(strDate, objectShow) {
	var str_thumb = strDate.value;
	var arr_thumb = str_thumb.split("/");
	var d = arr_thumb[1];
	var m = arr_thumb[0];
	var y = arr_thumb[2];
	objectShow.value = d+' / '+m+' / '+y;
}

function check_email() { 
	var at="@"; 
	var dot="."; 
	var str = document.frm.email.value;
	var lat=str.indexOf(at); 
	var lstr=str.length; 
	var ldot=str.indexOf(dot); 
	var errmessage = "";
	
	if (str.indexOf(at)==-1){ 
		errmessage = "????????????????"; 
		//errmessage = "Invalid E-mail ID."; 
	} 
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){ 
		errmessage = "????????????????"; 
	} 
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){ 
		errmessage = "????????????????"; 
	} 
	if (str.indexOf(at,(lat+1))!=-1){ 
		errmessage = "????????????????"; 
	} 
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){ 
		errmessage = "????????????????"; 
	} 
	if (str.indexOf(dot,(lat+2))==-1){ 
		errmessage = "????????????????"; 
	} 
	if (str.indexOf(" ")!=-1){ 
		errmessage = "????????????????"; 
	} 
	
	if ( str == "" ) {
		errmessage = "??????????????? ??????"; 
		//errmessage = "E-mail can't be blank, Please key E-mail."; 
	}
	
	return errmessage;
} 

function checkLogin(url) {
	var doc = document.frm;
	var errmessage = "";
	errmessage = check_email();
	if( errmessage == "" ) {
		if( doc.pass.value == "" ) {
			errmessage = "??????????????? ????????"; 
			//errmessage = "Password can't be blank, Please key Password."; 
			alert(errmessage);
			return false;
		} else {
			checkurl(url);
		}
	} else {
		alert(errmessage);
		return false;
	}
}

function check_blank(input, input_name, url) {
	if( document.getElementById(input).value == "" ) {
		alert(input_name);
		return false;
	} else {
		checkurlSubmit(url);
	}
}

function checkRegis(url) {
	var doc = document.frm;
	var errmessage = "";
	var errmail = "";
	
	
	if( doc.name.value == "" ) { errmessage = errmessage + "   - ??????????????? ????\n"; }
	if( doc.address.value == "" ) { errmessage = errmessage + "   - ??????????????? ???????\n"; }
	//if( doc.name.value == "" ) { errmessage = errmessage + "   - Name can't be blank.\n"; }
	//if( doc.address.value == "" ) { errmessage = errmessage + "   - Address can't be blank.\n"; }
	errmail = check_email();
	if( errmail != "" )  { errmessage = errmessage + "   - " + errmail + "\n"; }
	if( doc.pass.value == "" ) { 
		errmessage = errmessage + "   - ??????????????? ????????\n";
		//errmessage = errmessage + "   - Password can't be blank.\n";
	} else if ( doc.pass.value != doc.pass_confirm.value ) {
		errmessage = errmessage + "   - ??????????????????????? ??????????????????\n";
		//errmessage = errmessage + "   - Confirm Password can't be different Password.\n";
	}
	
	if( errmessage != "" ) {
		alert(errmessage);
		return false;
	} else {
		checkurl(url);
	}
}

function chang_big_image(image_path, width, height) {
	var doc = document.frm;
	var big_image = document.getElementById('big_image');
	
	big_image.src= image_path;
	big_image.width= width;
	big_image.height= height;
}