function popUp(url,w,h) {
	ElBody = document.getElementById('bodyid');
	ExpWidth = (ElBody.clientWidth - w)/2;
	ExpHeight = (ElBody.clientHeight - h)/2 + 63;

	popupWin = window.open(url, 'popup', 'width=' + w + ',height=' + h + ',top='+ ExpHeight +',left='+ ExpWidth);
	popupWin.focus();
}