function validate_subscribe_form()
{valid=true;if(document.subscribe_form.subscribe_email.value=="")
{valid=false;}
apos=document.subscribe_form.subscribe_email.value.indexOf("@");dotpos=document.subscribe_form.subscribe_email.value.lastIndexOf(".");if(apos<1||dotpos-apos<2)
{valid=false;}
if(valid==false)
{alert("Please provide a valid email address.");}
return valid;}
function validate_login_form()
{valid=true;if(document.login_form.username.value==""||document.login_form.password.value=="")
{valid=false;}
if(valid==false)
{alert("Please make sure all fields are complete.");}
return valid;}