[рони]

judin, вместо всего прежнего кода это

function calc() {

 var type_host = document.getElementById("type_host");
 var seo = document.getElementById("seo");
 var comment = document.getElementById("comment");
 var gallery = document.getElementById("gallery");
 var eshop = document.getElementById("eshop");

  var result = document.getElementById("result");

 var price_host = 0;
 var price_seo = 0;
 var price_comment = 0;
 var price_gallery = 0;
 var price_eshop = 0;
 var price = 0;
 price_host += (type_host.checked == true) ? parseInt(type_host.value) : 0;
 price_seo += (seo.checked == true) ? parseInt(seo.value) : 0;
 price_comment += (comment.checked == true) ? parseInt(comment.value) : 0;
 price_gallery += (gallery.checked == true) ? parseInt(gallery.value) : 0;
 price_eshop += (eshop.checked == true) ? parseInt(eshop.value) : 0;
 price=price_host+price_seo + price_comment + price_gallery + price_eshop;

 result_host.innerHTML = price_host;
 result_seo.innerHTML = price_seo;
 result_comment.innerHTML = price_comment;
 result_gallery.innerHTML = price_gallery;
 result_eshop.innerHTML = price_eshop;
 result.innerHTML = price;
 var textarea = document.getElementsByName("comments")[0];
 var counter = document.getElementById("counter");
 counter.innerHTML = textarea.value.split(/ +(?:\S)/).length;
 result.innerHTML *= counter.innerHTML
 }

	   var textarea = document.getElementsByName("comments")[0];
	   textarea.onkeyup = calc