function popWindow(mypage,myname,mywidth,myheight)
{
	if (mywidth == null)	{
		mywidth = 800;
	}	
	if (myheight == null) {
		myheight = 500;
	}
	
	var settings='scrollbars=yes,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no' + ',width=' + mywidth + ',height=' + myheight + ',top=50,left=10';

	var winpop=window.open(mypage,myname,settings);
	if (winpop != null) {
		winpop.focus();
	}
}

function popToolBarWindow(mypage,myname,mywidth,myheight)
{
	if (mywidth == null)	{
		mywidth = 800;
	}	
	if (myheight == null) {
		myheight = 500;
	}
	
	var settings='scrollbars=yes,location=no,directories=no,status=yes,menubar=no,toolbar=yes,resizable=yes' + ',width=' + mywidth + ',height=' + myheight + ',top=50,left=10';

	var winpop=window.open(mypage,myname,settings);
	if (winpop != null) {
		winpop.focus();
	}
}

function popbackWindow(mypage,myname,mywidth,myheight)
{
	var settings='scrollbars=yes,location=no,directories=no,status=yes,menubar=yes,toolbar=no,resizable=yes' + ',width=' + mywidth + ',height=' + myheight + ',top=150,left=150';

	var win=window.open(mypage,myname,settings);
	if (win != null) {
		win.blur();
	}
}