function ValidateForm(){	
	
	
	if (document.contact_form.name.value == ''){
	    alert('Please complete the contact name field!')
		document.contact_form.name.focus()
		return false 
	}

	if (document.contact_form.email.value !=''){
        var filter=/^.+@.+\..{2,3}$/
		       
	        if (filter.test(document.contact_form.email.value)){
		       //return true
		   }
              else {
           alert('Please enter a valid email address!')
		   document.contact_form.email.focus()
	              return false}
	 }
	else {
           alert('Please enter a valid email address!')
		   document.contact_form.email.focus()
		   return false	
    }

}