function dataType(page, type) {

var checks='';
if(document.dform.rtype.checked == true) {
    checks=checks+'1';
} else {
    checks=checks+'0';
}
if(document.dform.atype.checked == true) {
    checks=checks+'1';
} else {
    checks=checks+'0';
}
if(document.dform.ctype.checked == true) {
    checks=checks+'1';
} else {
    checks=checks+'0';
}

var url='http://www.qbike.com/';
url=url+page;

if (checks == '100') { url=url+'-retailers'; }
if (checks == '010') { url=url+'-auctions'; }
if (checks == '001') { url=url+'-classifieds'; }
if (checks == '110') { url=url+'-no-classifieds'; }
if (checks == '101') { url=url+'-no-auctions'; }
if (checks == '011') { url=url+'-no-retailers'; }

url=url+'.shtml';
window.location=url;
return true;
}