// JavaScript Document
<!--
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,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];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->

function stumpIt(theName,theExtras,theLink) {
var theDomain ="forcebmx.com";
//var theDomain ="jamesrossadvertising.com";
var theEmail = theName+"@"+theDomain;
if (theName == ""){
	theName = "ERROR";
	theLink = "ERROR";
	myEmail = theName;
	myLink = theLink;
}else{
	if ((theExtras == "") && (theLink =="")){
		myEmail = theEmail;
		myLink = theEmail;
	}
	if ((theLink == "") && (theExtras != "")){
		myLink = theEmail;
		myEmail = theEmail+theExtras;
	}
	if 	((theLink != "") && (theExtras != "")){
		myLink = theLink;
		myEmail = theEmail+theExtras;
	}
	if 	((theLink != "") && (theExtras == "")){
		myLink = theLink;
		myEmail = theEmail;
	}
}
	document.write('<a href=mailto:' + myEmail + '>' + myLink + '</a>');
}

function calculateGear() {
	
	//var ratio = cr * fw / ht;cr,fw,ht
	var ratio = document.gearratio.cr.value / document.gearratio.fw.value * document.gearratio.th.value;
	document.gearratio.gratio.value=ratio;
	return false;	
}