function chkFormular(){var a=document.mail;if(a.name.value==""){alert("Please fill in the Name field!");a.name.focus();return false}if(a.email.value==""){alert("Please fill in the Email field!");a.email.focus();return false}if(a.email.value!=""){if(a.email.value.indexOf("@")==-1){alert("Please type your correct E-mail Address!");a.email.focus();return false}}if(a.comment.value==""){alert("Please fill in the Message field!");a.comment.focus();return false}};