window.onerror=null;
var win = null;
var win1 = null;

function popUpPop(mypage, myname, w, h, scroll) {


var win2 = (screen.width - w) / 2;
var win3 = (screen.height - h) / 2;
winprops1 = 'height='+h+',width='+w+',top='+win3+',left='+win2+',scrollbars='+scroll+',noresize'
win1 = window.open(mypage, myname, winprops1)
if (parseInt(navigator.appVersion) >= 4) { win1.window.focus(); }
}

function NewWindow(mypage, myname, w, h, scroll) {
closePopWin()

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

function NewWindowTest(mypage, myname, w, h, scroll) {
closePopWin()

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

function NewDFCWindow(mypage, myname, w, h, scroll,resize) {
closePopWin()

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

function closePopWin() {
	if(win != null) { 
		if(!win.closed) { 
			win.close()
			win = null
		} else {
			win = null
		}
	}
}
// opens new window
function new_window(url) {
win = window.open(url,'newwindow','width=404,height=522,scrollbars=yes');
	if (win.opener == null) win.opener = window;
	win.opener.name = "opener";
}

function new_windowSL(url) {
win = window.open(url,'newwindow');
	if (win.opener == null) win.opener = window;
	win.opener.name = "opener";
}
// opens new window with addition of window name argument
function new_window2(url, winname) {
win = window.open(url,winname,'width=404,height=522,scrollbars=yes');
	if (win.opener == null) win.opener = window;
	win.opener.name = "opener";
}
function newWindowDesign(url) {
win = window.open(url,'newwindow','width=400,height=450,scrollbars=no,location=0,resizeable=0,noresize');
	if (win.opener == null) win.opener = window;
	win.opener.name = "opener";
}

// opens link in main window and closes pop-up
function go_to(url){
	this.url = url;
	opener.document.location.href = url;
	window.close();
	
	}