function sendComment() {
      with (window.document.frmPost) {
	     if (name.value == "") {
		   alert("Please provide us your name")
		   name.focus()
		 } else {
		     if ((phone.value == "") && (email.value == "")) {
		       alert("please provide us your phone number or email address")
			   phone.focus()
		     }  else {
			      if (subject.options[subject.selectedIndex].value == "") {
				      alert("Please select a subject") 
					  subject.focus()
				  } else {
				       if (comments.value == "") {
					      alert("Please provide us your comments")
					   }  else {
						      if ((email.value != "") && ((email.value.indexOf("@") <= 0) || (email.value.indexOf(".") <= 0) || (email.value.indexOf("@.") >= 0 ))){ 
								   alert ("Please enter correct email address. (format: johndoe@isp.com)")
								   email.focus()
							  }  else {
							       submit()
							  }
					   }
				  }
			 }
		 }   
	  }
   }