function check()
{
if (form1.realname.value == "")
{
MM_showHideLayers('Layer1','','show');
tick1.innerHTML=('<b><font color="#FF0000">' + 'Name*:</b>')
tick9.innerHTML=('You need to enter your <b>Name</b> in order to send this form');
}
else
{
if (form1.email.value == "")
{
MM_showHideLayers('Layer1','','show');
tick2.innerHTML=('<b><font color="#FF0000">' + 'Email*:</b>')
tick9.innerHTML=('You need to enter your <b>E-mail</b> in order to send this form');
}
else
{
if (form1.email.value.indexOf ('@',0) == -1 || form1.email.value.indexOf ('.',0) == -1)
{
MM_showHideLayers('Layer1','','show');
tick2.innerHTML=('<b><font color="#FF0000">' + 'Email*:</b>')
tick9.innerHTML=('You have entered an invalid <b>E-Mail</b> address.<br>Please re-enter a valid E-Mail address.');
}
else
{
if (form1.message.value == "")
{
MM_showHideLayers('Layer1','','show');
tick3.innerHTML=('<b><font color="#FF0000">' + 'Message*:</b>')
tick9.innerHTML=('You need to enter your <b>Comment</b> in order to send this form');
}
else
{
form1.submit()
}
}
}
}

}