/* email validation */
function but()
{
if(frmReferral.txtFromEmail.value=="")
{
alert("Enter your E-mail Id");
frmReferral.txtFromEmail.focus();
return false;
}
if((frmReferral.txtFromEmail.value=="")||(frmReferral.txtFromEmail.value.indexOf('@')==-1)||(frmReferral.txtFromEmail.value.indexOf('.')==-1))
	{
	alert("Please give your email address as eg:info@businessinsights.biz");
	document.frmReferral.txtFromEmail.focus();
	return false;
	}
return true;
}
/* Book mark code */
function bookmark()
{ 
if ((ver == "Microsoft Internet Explorer")&&(num >= 4)) 
{
   document.write('<A class="link2" HREF="javascript:window.external.AddFavorite(url,who);" ')
   document.write('onMouseOver=" window.status=')
   document.write("txt; return true ")
   document.write('"onMouseOut=" window.status=')
   document.write("' '; return true ")
   document.write('" title="(Firefox Users : Ctrl+D)">'+ txt + '</a>')
   document.write(' |')
}
}