function bluring(){ 
if(event.srcElement.tagName=="A"||event.srcElement.tagName=="IMG") document.body.focus(); 
} 
document.onfocusin=bluring; 

var win = null;
function NewWindow(mypage,myname,w,h,scroll){
    LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
    TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
    settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable' 
    win = window.open(mypage,myname,settings)
}

function checkDolbyman(id, pw) {
	var result = false;
	if ((id == 'hrdadmin' && pw == 'hrdadmin01') || (id == 'hrduser' && pw == 'hrduser01') || (id == 'hrdtutor' && pw == 'hrdtutor01')) {
		result = true;
	} 
	return result;
}