function fnCheckInput (content){
	var result ='0';
	
	for (var i = 0 ; i < content.length ; i++ ){
		if (content.substring( i, i+1 ) != " " ) {
			result = '1';
		}
	}
	
	if (result == '0') {
		return false;
	}
	return true;
}
function fnCheckTextArea (content) {
	var temp;
	var result='0';
	temp = content;
	temp = temp.replace( /\r\n/g, " ");
	for (i=0;i<temp.length;i++) {
		if (temp.charAt(i) != " ") {
			result = '1'
		}
	}
	
	if (result =='0') {
		return false;
	}
	return true;		
}
function blnCheckFieldLen(fldInput, intMaxLen, strMsg)
{
	var blnCheck = false;
	
	var intContentLen = 0;
    	
    	for (var i=0; i<fldInput.value.length; i++) 
    	{
        intContentLen += (fldInput.value.charCodeAt(i) > 128) ? 2 : 1;
	}
	
	if (intContentLen >= 0 && intContentLen <= intMaxLen)
	{
			blnCheck = true;
	}
		
	if (blnCheck == false)
	{
		alert(strMsg);
		fldInput.focus();
	}
	
	return blnCheck;
}
function openNewWindow(URLtoOpen,windowName, windowFeatures) {
	newWindow=window.open(URLtoOpen, windowName, windowFeatures); }
function MM_openBrWindow(theURL,winName,features) {
  window.open(theURL,winName,features);
}
// Su Ly Hinh Anh
function MM_swapImgRestore() {
  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() {
  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) {
  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() {
  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 retrieveURL(url, view) {

		if (window.XMLHttpRequest) { // Non-IE browsers

	      req = new XMLHttpRequest();

	      req.onreadystatechange = processStateChange;

	      try {

			req.open("GET", url, true);

	      } catch (e) {

	        alert(e);

	      } // catch

	      req.send(null);

	    } else if (window.ActiveXObject) { // IE

	      req = new ActiveXObject("Microsoft.XMLHTTP");

	      if (req) {

	        req.onreadystatechange = processStateChange;

	        req.open("GET", url, true);

	        req.send();

	      }

	    }
}
function processStateChange() {

	    if (req.readyState == 4) {

	      if (req.status == 200) {

			if (theView) {
				if(divid=='noidung'){
					theView.innerHTML = '<div id="contentfull">'+req.responseText+'</div>';
				}else{
					theView.innerHTML = req.responseText;
				}

			} else {

				alert("NULL");

			}

	      } else {

	        alert("Problem : " + req.statusText);

	      }

	    }
}
function loadURL(url, view) {		
		theView = document.getElementById(view);
		divid=view;
			theView.innerHTML = '<div id="contentfull"><img src="images/loading.gif"><br><span class="txt"> Đang đọc dữ liệu</span></div>';		
			var Html = retrieveURL(url,view);
			return true;
}
var clock = {
	weekDays : ["SUN","MON","TUE","WED","THU","FRI","SAT"],
	monthNames : ["JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC"],
	serverDate : {}, // server date obj
	localDate : {}, // local date obj
	dateOffset: {}, // offset ammount
	nowDate : {}, // adjusted date
	dateString : {}, // formated
	el : {}, // element to update
	timeout : {}, // timeout handle
	init : function (date,id,interval) {
		this.calculateOffset(date);
		this.el = document.getElementById(id);
		this.updateClock(interval);
	},
	calculateOffset : function (serverDate) {
		this.serverDate = new Date(serverDate);
		this.localDate = new Date();
		this.dateOffset = this.serverDate - this.localDate;
	},
	updateClock : function (interval) {
		this.nowDate = new Date();
		this.nowDate.setTime(this.nowDate.getTime() + this.dateOffset);
		this.dateFormat(this.nowDate);
		this.el.innerHTML = this.dateString;
		var me = this; this.timeout = setTimeout(function(){me.updateClock(interval)},interval);
	},
	stopClock : function () {
		clearTimeout(this.timeout);
	},
	dateFormat : function (dateObj) {
		this.dateString = '<span><b><FONT SIZE="4" COLOR="#FFFFFF">' + this.digit(dateObj.getHours()) + ':' + this.digit(dateObj.getMinutes()) + ':' + this.digit(dateObj.getSeconds()) + '</FONT></b></span><br><b><FONT SIZE="4" COLOR="#FFF000">';
		this.dateString += ' ';
		this.dateString += this.monthNames[dateObj.getMonth()] + ' ';
		this.dateString += this.digit(dateObj.getDate()) + ', ';
		this.dateString += dateObj.getFullYear() + '</FONT>';
	},
	digit : function (str) {
		str = String(str);
		str = str.length == 1 ? "0" + str : str;
		return str;
	}
};
function ResizeImages(img) {
    if (img.width > 650) {
        img.height = parseInt(img.height * 650 / img.width);
        img.width = 650;
    }
}