function maskKeyPress(objEvent) {        
var iKeyCode;  	
iKeyCode = objEvent.keyCode;			
if(iKeyCode>=48 && iKeyCode<=57) return true;
return false;
}

function presentationScreen(theURL) {
	window.open(theURL, '', 'fullscreen=no, scrollbars=1, width=400, height=250, top=0, left=0');
}
	
function editeventsScreen(theURL) {
	window.open(theURL, '', 'fullscreen=no, scrollbars=1, width=650, height=350, top=0, left=0');
}

function viewvenuesScreen(theURL) {
	window.open(theURL, '', 'fullscreen=no, scrollbars=0, width=350, height=150, top=0, left=0');
}