function validate(btn){
var msg;
var msgflag;
msgflag = "false";
 msg="Følgende felter skal være udfyldt:\n----------------------------------------------";
 if(document.forms[0].Title.value == ""){
	msg+="\r * Overskrift";
	msgflag="true";
	}	
 if(document.forms[0].Body.value == ""){
	msg+="\r * Dit kommentar";
	msgflag="true";
	}
	 if(document.forms[0].SenderName.value == ""){
	msg+="\r * Dit navn";
	msgflag="true";
	}
if (msgflag=="false" ){	
var tstr = document.forms[0].Title.value;
tstr = tstr.replace(/^\s*|\s*$/g,"");
if (tstr=="")
{
msg+="\r * Overskrift";
	msgflag="true";
}
var cstr = document.forms[0].Body.value;
cstr = cstr.replace(/^\s*|\s*$/g,"");
if (cstr=="")
{
msg+="\r * Dit kommentar";
	msgflag="true";
}
var sstr = document.forms[0].SenderName.value;
sstr = sstr.replace(/^\s*|\s*$/g,"");
if (sstr=="")
{
msg+="\r * Dit navn";
	msgflag="true";
}
}
  if(msgflag == "true"){
	msg+="\n\n---------------------------------------------\nTryk 'OK' for at gå tilbage til 'Send til en ven' formularen";
     	alert(msg);
	scroll(0,0);
}
 if(document.forms[0].Title.value == ""){
document.forms[0].Title.focus()
return false
}
 if(document.forms[0].Body.value == ""){
document.forms[0].Body.focus()
return false
}
 if(document.forms[0].SenderName.value == ""){
document.forms[0].SenderName.focus()
return false
}	
var tstr = document.forms[0].Title.value;
tstr = tstr.replace(/^\s*|\s*$/g,"");
if (tstr=="")
{
document.forms[0].Title.focus()
return false
}
var cstr = document.forms[0].Body.value;
cstr = cstr.replace(/^\s*|\s*$/g,"");
if (cstr=="")
{
document.forms[0].Body.focus()
return false
}
var sstr = document.forms[0].SenderName.value;
sstr = cstr.replace(/^\s*|\s*$/g,"");
if (sstr=="")
{
document.forms[0].SenderName.focus()
return false
}
 if(document.forms[0].SenderEmail.value != ""){
var emailstr = document.forms[0].SenderEmail.value;
emailstr = emailstr.replace(/^\s*|\s*$/g,"");
if (emailstr!=""){
if(msgflag == "false"){
var str=ValidateEmail(document.forms[0].SenderEmail.value)
if (str==false)
{
msgflag="true";
document.forms[0].SenderEmail.focus()
return false
}
}
}
}
if(msgflag == "false"){
btn.disabled=true;
btn.value='Vent venligst...';
document.forms[0].submit();
}
}