function checkForm(ap) {

if (ap.name.value == "") {
		alert("Please enter your name")
		ap.name.focus();
		return false
	}	

if (ap.email.value == "") {
		alert("Please enter your email")
		ap.email.focus();
		return false
	}		

if (ap.comments.value == "") {
		alert("Please enter your comments")
		ap.comments.focus();
		return false
	}		
		
	}

function IsEmailValid(FormName,ElemName)
{

var EmailOk  = true
var Temp     = document.forms[FormName].elements[ElemName]
var AtSym    = Temp.value.indexOf('@')
var Period   = Temp.value.lastIndexOf('.')
var Space    = Temp.value.indexOf(' ')
var Length   = Temp.value.length - 1   // Array is from 0 to length-1

if ((AtSym < 1) ||                     // '@' cannot be in first position
    (Period <= AtSym+1) ||             // Must be atleast one valid char btwn '@' and '.'
    (Period == Length ) ||             // Must be atleast one valid char after '.'
    (Space  != -1))                    // No empty spaces permitted
   {  
      EmailOk = false
      alert('You have entered an invalid e-mail address!\n Please check it carefully')
      
      
   }
return EmailOk
}