Hi there.

I need ur appreciated help.

This is the function CheckmyForm.

I need check that you enter only letters, numbers and special characters ",", "." and ";" in the TextareaS1 field.

Can u help me?

Code:
function CheckmyForm() {
     
   if ( myform.DatesT1.value.length > 0 && myform.TextareaS1.value.length > 0 ) {
        alert("OK!.");        
        
    } else     {  
    
        alert("KO!."); 
        myform.DatesT1.focus(); 
        
    }
  
}