// JavaScript Document
function CheckForm(enquiry)
 {
  if (enquiry.name.value=="")
    {
     alert("Please enter name");
     enquiry.name.focus()
     return false;
    } 
    if (enquiry.email.value=="")
    {
     alert("Please enter e-mail");
     enquiry.email.focus();
     return false;
    }
	
	var mail=enquiry.email.value;
		invalidChars = " /:,;" ;
		if (mail == "") {
		    alert("Please check your Email");  
			enquiry.email.focus();
			return false;
		}
		for (i=0; i< invalidChars.length; i++) {
			badChar = invalidChars.charAt(i);
			if (mail.indexOf (badChar,0) != -1) {
					alert("Please check your Email");  
					enquiry.email.focus();        
					return false;
			}
		}  
		atPos = mail.indexOf ("@",1)
		if (atPos == -1) {
			alert("Please check your Email");          
			enquiry.email.focus();
			return false;
		}

		if (mail.indexOf ("@", atPos+1) != -1) {
			alert("Please check your Email");          
			enquiry.email.focus();
			return false;
		}
					
		periodPos = mail.indexOf (".", atPos)
		if ( periodPos == -1) {
			alert("Please check your Email");          
			enquiry.email.focus();
			return false;
		}
				   
		if(atPos+3 >periodPos){
			alert("Please check your Email");          
			enquiry.email.focus();
			return false;
		}
		if ( periodPos+3 > mail.length) {
			alert("Please check your Email");          
			enquiry.email.focus();
			return false;
		}
		
	return true;
   
   }