function hideSiblings(el) {
	par = el.parentNode;
	sib = par.firstChild;
	while(sib) {
	    if(sib.nodeName != "#text") {
			if(sib != el) sib.style.visibility = "hidden";
			else sib.style.visibility = "visible";
		}
		sib = sib.nextSibling;
	}
}

function calculatorWindow() {
	 window.open('/poker/calculator.html','calculator','scrollbars=no,menubar=no,height=80,width=615,resizable=no,toolbar=no,location=no,status=no');
}