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;
    if( key < 32) { return true; }
    return (isNum || dotOK);
}
var submitCounter=0;
function submitProtect() {
    submitCounter++;
    if (submitCounter) {
        try {
            document.getElementById("checkoutWait").style.display   = "inline";
            document.getElementById("checkoutSubmit").style.display = "none";
        }
        catch(er){}
        return true;
    }
    else {
        return false;
    }
}
var requestSubmitted = false;
function submitOnce() {
     if (!requestSubmitted ) {
         requestSubmitted  = true;
         return true;
     }
     return false;
}
function MM_preloadImages() {
  var d=document;
  if (d.images) {
     if (!d.MM_p) {
        d.MM_p = new Array();
     }
     var i;
     var j=d.MM_p.length;
     var a=MM_preloadImages.arguments;
     for(i=0; i<a.length; i++) {
        if (a[i].indexOf("#")!==0) {
           d.MM_p[j] = new Image();
           d.MM_p[j++].src=a[i];
        }
     }
  }
}