function MM_now(){ //v1.0 by blackface
	var dayArr = new Array ("Chủ Nhật", "Thứ Hai", "Thứ Ba", "Thứ Tư", "Thứ Năm", "Thứ Sáu", "Thứ Bảy");
	var monthArr = new Array ("/01", "/02", "/03", "/04", "/05", "/06", "/07", "/08", "/09", "/10", "/11", "/12");
	//var monthArr = new Array ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");	
	var today = new Date();
	var result = "";
	// day & date --
	result += dayArr[today.getUTCDay()] + ", ";
	result += today.getUTCDate();
	// surfix --
	var endNum = today.getUTCDate().toString().substr(today.getUTCDate().toString().length - 1, 1);
	if (endNum == "1"){
		result += "";
	}else if (endNum == "2"){
		result += "";
	}else if (endNum == "3"){
		result += "";
	}else{
		result += "";
	}
	// month -- year
	result += monthArr[today.getUTCMonth()] + "/" +today.getFullYear() + " - ";
	// hour --
	//var hour = today.getHours();
	//result += ((hour > 12) ? (hour - 12): hour) + ":";
	//munite --
	//result += ((today.getUTCMinutes()>9)?today.getUTCMinutes():"0"+today.getUTCMinutes()) + ((hour > 12) ? " pm ": " AM ");
	//result += "(GMT)";
	document.write(result);
	return true;
}

function MM_now_en(){ //v1.0 by blackface
	var dayArr = new Array ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
	//var monthArr = new Array ("01", "02", "03", "04", "05", "06", "07", "08", "09", "10", "11", "12");
	var monthArr = new Array (", Jan", ", Feb", ", Mar", ", Apr", ", May", ", Jun", ", Jul", ", Aug", ", Sep", ", Oct", ", Nov", ", Dec");	
	var today = new Date();
	var result = "";
	// day & date --
	result += dayArr[today.getUTCDay()];
	//result += today.getUTCDate();
	// surfix --
	var endNum = today.getUTCDate().toString().substr(today.getUTCDate().toString().length - 1, 1);
	if (endNum == "1"){
		result += "";
	}else if (endNum == "2"){
		result += "";
	}else if (endNum == "3"){
		result += "";
	}else{
		result += "";
	}
	// month -- year
	result += monthArr[today.getUTCMonth()] + " " +today.getUTCDate() + ", " + today.getFullYear();
	// hour --
	//var hour = today.getHours();
	//result += ((hour > 12) ? (hour - 12): hour) + ":";
	// munite --
	//result += ((today.getUTCMinutes()>9)?today.getUTCMinutes():"0"+today.getUTCMinutes()) + ((hour > 12) ? " pm ": " AM ");
	//result += "(GMT)";
	document.write(result);
	return true;
}

function checkForm(frm, arr_ctrl) {
	var count= arr_ctrl.length ;
	var i=0  ;
	for(i=0; i< count; i++) {
		func= trim( arr_ctrl[i][0] ) ;
		if( eval( func ) ) { //== 
			alert( arr_ctrl[i][1] ) ;
			if( arr_ctrl[i][2] != "" )
//				eval( "frm."  + arr_ctrl[i][2] ).focus() ;
			return false ; //== Error
		}
	}
	return true ; //== OK
}

function isEmail(s)
{
	if (s.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]{2,4}$/) != -1)
            return true ;
        else
            return false ;
    
}
function trim(str) {
	return str.replace(/^\s+/g, '').replace(/\s+$/g, '');
}

function isBlank(str) {
	if( str == "" ) 
		return true ;
	return false ;
}