function qtyRemove(qtyInputID) {
        var qtyObj = document.getElementById(qtyInputID);
        newNum = parseInt(qtyObj.value) - 1;
        if(newNum > -1) {
                qtyObj.value = String(newNum);
        }
}

function qtyAdd(qtyInputID) {
        var qtyObj = document.getElementById(qtyInputID);
        newNum = parseInt(qtyObj.value) + 1;
        qtyObj.value = String(newNum);
}

function timedRefresh(timeoutPeriod) {
	setTimeout("location.reload(true);",timeoutPeriod);
}

function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "newpage")
     anchor.target = "_blank";
 }
}
window.onload = externalLinks;