// JavaScript Document

function formCheck_i(formobj,fieldRequired,fieldDescription){

	var alertMsg = "กรุณาระบุข้อมูลต่อไปนี้:\n";
	var l_Msg = alertMsg.length;

	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			obj.style.backgroundColor = "#FFFFEE";
			obj.style.border = "1px solid #EFEFEF";
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == "" || obj.options[obj.selectedIndex].value == ""  || obj.options[obj.selectedIndex].value == 0){
					obj.style.backgroundColor = "#FEE8C1";
					alertMsg += " i.. " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					obj.style.backgroundColor = "#FEE8C1";
					alertMsg += " i.. " + fieldDescription[i] + "\n";
				}
				break;
			case "checkbox":
				if (obj.checked == false){
					obj.style.backgroundColor = "#FEE8C1";
					alertMsg += " i.. " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					obj.style.backgroundColor = "#FEE8C1";
					alertMsg += " i.. " + fieldDescription[i] + "\n";
				}
				break;
			default:
				if (obj.value == "" || obj.value == null){
					obj.style.backgroundColor = "#FEE8C1";
					alertMsg += " i.. " + fieldDescription[i] + "\n";
				}
			}
		}
	}


	if (alertMsg.length == l_Msg){	
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}


function hint_focus(obj,msg,css){
	if(obj.value == msg){
		obj.value = '';
		obj.className = css;
	}
}
function hint_blur(obj,msg,css){
	if(obj.value == ''){
		obj.value = msg;
		obj.className = css;
	}
}

function check_date(field){
var checkstr = "0123456789";
var DateField = field;
var Datevalue = "";
var DateTemp = "";
var seperator = "-";
var day;
var month;
var year;
var leap = 0;
var err = 0;
var i;
   err = 0;
   DateValue = DateField.value;
   /* Delete all chars except 0..9 */
   for (i = 0; i < DateValue.length; i++) {
	  if (checkstr.indexOf(DateValue.substr(i,1)) >= 0) {
	     DateTemp = DateTemp + DateValue.substr(i,1);
	  }
   }
   DateValue = DateTemp;
   /* Always change date to 8 digits - string*/
   /* if year is entered as 2-digit / always assume 20xx */
   if (DateValue.length == 6) {
      DateValue = DateValue.substr(0,4) + '20' + DateValue.substr(4,2); }
   if (DateValue.length != 8) {
      err = 19;}
   /* year is wrong if year = 0000 */
   year = DateValue.substr(4,4);
   if (year == 0) {
      err = 20;
   }
   /* Validation of month*/
   month = DateValue.substr(2,2);
   if ((month < 1) || (month > 12)) {
      err = 21;
   }
   /* Validation of day*/
   day = DateValue.substr(0,2);
   if (day < 1) {
     err = 22;
   }
   /* Validation leap-year / february / day */
   if ((year % 4 == 0) || (year % 100 == 0) || (year % 400 == 0)) {
      leap = 1;
   }
   if ((month == 2) && (leap == 1) && (day > 29)) {
      err = 23;
   }
   if ((month == 2) && (leap != 1) && (day > 28)) {
      err = 24;
   }
   /* Validation of other months */
   if ((day > 31) && ((month == "01") || (month == "03") || (month == "05") || (month == "07") || (month == "08") || (month == "10") || (month == "12"))) {
      err = 25;
   }
   if ((day > 30) && ((month == "04") || (month == "06") || (month == "09") || (month == "11"))) {
      err = 26;
   } 
   /* if 00 ist entered, no error, deleting the entry */
   if ((day == 0) && (month == 0) && (year == 00)) {
      err = 0; day = ""; month = ""; year = ""; seperator = "";
   }
   /* if no error, write the completed date to Input-Field (e.g. 13.12.2001) */
   if (err == 0) {
      DateField.value = day + seperator + month + seperator + year;
   }
   /* Error-message if err != 0 */
   else {
      alert("("+err+") Please input a valid date format e.g. 01-03-2007 !");
	  DateField.value = '';
      //DateField.select();
	  //DateField.focus();
   }
}

function numItem(obj,str){
	var s = '';
	var j;
	for (j = 0; j < str.length; j++){
		if( (str.charAt(j) >= 0 && str.charAt(j) <= 9  ) ||  str.charAt(j) == '.' )
			s += str.charAt(j);
	}
	obj.value = s;
}

function max_description(obj,limit,mc){
	var str = obj.value;
	str = str.substring(0, limit);
	obj.value = str;
	if(mc != ''){
		var mx = document.getElementById(mc);
		mx.value = str.length+'/'+limit;
	}
}

function clear_frame_media(){
	var m = document.frames.length;
	for(var i=0;i<m;i++){
		var u = document.frames[i].location.href.search(/searchresult_media/);
		if(u>=0){
			document.frames[i].location.href = '';
		}
	}
}