function emailcheck(cur)
{
var string1=cur.email.value
if ((string1.indexOf("@")==-1) ||
   (string1.indexOf(".")==-1))
{
alert("Please input a valid email address!")
return false
}
}

function emailcheck2(cur)
{
var string1=cur.email.value
if (string1.indexOf("@")==-1)
{
alert("Please input a valid email address!")
return false
}
}

function enforcechar(what,limit){
if (what.value.length>=limit)
return false}