function IsEmailValid(ElemName){
	var EmailOk  = true
	var Temp     = 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('Please enter a valid e-mail address!')
	//      Temp.focus()
	}
	return EmailOk
}