function centerWindow(whatOption,winWidth,winHeight) {
	window.open(whatOption,'optionWindow','toolbar=0,location=0,directories=0,status=1,menubar=1,scrollbars=1,resizable=1,width='+winWidth+',height='+winHeight);
}

function centerWindowModel(whatOption,winWidth,winHeight) {
	window.showModalDialog(whatOption,'optionWindow','toolbar=0,location=0,directories=0,status=1,menubar=1,scrollbars=1,resizable=1,width='+winWidth+',height='+winHeight);
}