function IsChecked(theform) {
   return theform.agreeservice.checked;
 }

<!-- This function build a url for the affiliate id from the url entered in the form -->
function buildurl(){
   document.form01.result.value = document.form01.url.value + '?kbid=' + document.form01.kbid.value;
   document.form01.result.style.visibility = 'visible';
}

<!-- This two functions set and read cookies... -->
function SetCookie(cookieName,cookieValue,nDays) {
 var today = new Date();
 var expire = new Date();
 if (nDays==null || nDays==0) nDays=1;
 expire.setTime(today.getTime() + 3600000*24*nDays);
 document.cookie = cookieName+"="+escape(cookieValue)
                 + ";expires="+expire.toGMTString();
}

function ReadCookie(cookieName) {
 var theCookie=""+document.cookie;
 var ind=theCookie.indexOf(cookieName);
 if (ind==-1 || cookieName=="") return ""; 
 var ind1=theCookie.indexOf(';',ind);
 if (ind1==-1) ind1=theCookie.length; 
 return unescape(theCookie.substring(ind+cookieName.length+1,ind1));
}

<!-- This function generate a popup window from the url -->
function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=1,width=300,height=300,left = 490,top = 362');");
}