function noSpam() {
    if (document.getElementsByTagName) {
      var at = "@";
     	var id = document.getElementsByTagName("a");
      var x=0;
      while (id[x])
 	    	{
 	    	if (id[x]=="mailto:") {
 	    		var mail = id[x].firstChild; var domain = id[x].lastChild;
     	  	mail.nextSibling.firstChild.innerHTML = at;
     	  	id[x].href = "mailto:" + mail.data + at + domain.data + "?subject=ISEE%20Conference%202010%20website%20enquiry";
   				}
   			x++;
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      }
  }