function email(name,domain,tld,link)
{
  if(link.length == 0){
    link = name + '@' + domain + '.' + tld;
  }
  var display_this = '<a href="mailto:' + name + '@' + domain + '.' + tld + '">' + link + '</a>';
  document.write(display_this);
}
function checkbox(el)
{
	if (el.src.indexOf("_off") > -1) {
		el.src="img/chk_on.gif"
		document.xform[el.name].value="on"
	}else{
		el.src="img/chk_off.gif"
		document.xform[el.name].value="off"
	}
}
function radio(el,name)
{
	img=document.getElementsByTagName("img");
	for(i=0;i<img.length;i++){
		if(img[i].name.indexOf(name)>-1){
			img[i].src="img/radio_off.gif"
		}
	}
	if (el.src.indexOf("_off") > -1) {
		el.src="img/radio_on.gif"
		document.xform[name].value=el.name.replace(name,"")
	}else{
		el.src="img/radio_off.gif"
	}
}