function newWindow(mypage, myname, w, h, scroll) { 
	var winl = (screen.width - w) / 2; 
	var wint = (screen.height - h) / 2; 
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+'';
	win = window.open(mypage, myname, winprops);
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); } 
}

function userWindow(mypage, myname, w, h, scroll) { 
	var winl = 380; 
	var wint = 360; 
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+''; 
	win = window.open(mypage, myname, winprops);
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); } 
}

function fullWindow(mypage) {
	var h = screen.availHeight-40;
	var w = screen.availWidth-10;
	var winl = 0;
	var wint = 0;
	var scroll = "yes";
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+'';
	win = window.open(mypage, "fullscreen", winprops);
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); } 
}