// JScript File

var isIE = document.all?true:false;
var isNS = document.layers?true:false;

function onlyDigits(e,decReq) {
var key = (isIE) ? window.event.keyCode : e.which;
var obj = (isIE) ? event.srcElement : e.target;
var isNum = (key > 47 && key < 58) ? true:false;
var dotOK = (key==46 && decReq=='decOK' && (obj.value.indexOf(".")<0 || obj.value.length==0)) ? true:false;
window.event.keyCode = (!isNum && !dotOK && isIE) ? 0:key;
e.which = (!isNum && !dotOK && isNS) ? 0:key;
return (isNum || dotOK);
}