function openFullscreen(_URL,_WINNAME) {
	var winWidth = (screen.availWidth ? screen.availWidth : 1024);
	var winHeight = (screen.availHeight ? screen.availHeight : 768);
	var winObj = window.open(_URL,_WINNAME,"left=0,top=0,width="+winWidth+",height="+winHeight+",fullscreen=no,resizable=no,scrollbars=no,status=no,location=no,toolbar=no,menubar=no");
	winObj.focus();
}

function changeParentWindow(_URL){
	if(!window.opener || window.opener.closed){
		var winObj = window.open(_URL,"newwin");
		winObj.focus();
	} else {
		window.opener.location.href = _URL;
		window.opener.focus();
	}

}