// ++++++++++++++++++++++++++++++++++++++++
function setCookie(c_name,value,expiredays) {
 var exdate=new Date();
 exdate.setDate(exdate.getDate()+expiredays);
 document.cookie=c_name+ "=" +escape(value)+
 ((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}
// ++++++++++++++++++++++++++++++++++++++++
function getCookie(c_name) {
 if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1; 
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    } 
  }
 return "";
}
// ++++++++++++++++++++++++++++++++++++++++
function checkMail(x)
{
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(x)) return true;
	else return false;
}
function validEmailCheck(e) {
	x=checkMail(e);
	if (!x) {window.alert('Insert a valid e-mail address!');}
	return x;
}
function clearTxt(t) {
	if (t.value=='Enter your e-mail') {
		t.value='';
		t.focus();
	}
}
// ++++++++++++++++++++++++++++++++++++++++