//alert('referringURL');

function getParams()
      {
      var idx = document.URL.indexOf('?');
      var params = new Array();

      if (idx != -1) {var pairs = document.URL.substring(idx+1,
document.URL.length).split('&');
                              for (var i=0; i<pairs.length; i++) {
                                    nameVal = pairs[i].split('=');
                                    params[nameVal[0]] = nameVal[1];

      }
                              }
      return params;}

      output = getParams();
      referring_url = output["referring_url"]

	//alert( referring_url );
	
      function email_form()
      {
      	email_form_location
= "../email_afriend/index.shtml?referring_url=" + referring_url
      	window.location = email_form_location
      }

      function populate_email_form()
      {
     	document.email_form.url.value = referring_url
      }