function meter_email(str) {
	    var error = "";
  var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){  
		document.getElementById("meter_email").style.backgroundColor = '#d9e2f1';	
		
		   error = "Invalid E-mail\n";
		   return error;
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){  
		document.getElementById("meter_email").style.backgroundColor = '#d9e2f1';	
	
		   error = "Invalid E-mail\n";
		   return error;
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		document.getElementById("meter_email").style.backgroundColor = '#d9e2f1';	
	
		       error = "Invalid E-mail\n";
		   return error;
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		document.getElementById("meter_email").style.backgroundColor = '#d9e2f1';	

		     error = "Invalid E-mail\n";
		   return error;
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){	 
		document.getElementById("meter_email").style.backgroundColor = '#d9e2f1';	

		      error = "Invalid E-mail\n";
		   return error;
		 }

		 if (str.indexOf(dot,(lat+2))==-1){	
		document.getElementById("meter_email").style.backgroundColor = '#d9e2f1';	

		   error = "Invalid E-mail\n";
		   return error;
		 }
		
		 if (str.indexOf(" ")!=-1){
		     error = "Invalid E-mail\n";
		document.getElementById("meter_email").style.backgroundColor = '#d9e2f1';	

		   return error;
		 }

		   return error; 
}

function validate_meter() {
var reason = "";


	reason += meter_email(document.meter.meter_email.value);
	reason += validatemeter_fname();	
  	reason += validatemeter_lname();
	reason += validatemeter_company();
	reason += validatemeter_telephone();
	reason += validatemachineID();
	reason += validatemodelNmbr();
	reason += validatemeterRdg();
	
  if (reason != "") {
    alert("Some fields need correction:\n" + reason);
    return false;
  }
else
{
   document.meter.submit();
   }


}
function validatemeter_fname() {
    var error = "";
 
    if (document.meter.meter_fname.value == "") 
	{	
		document.getElementById("meter_fname").style.backgroundColor = '#d9e2f1';
        error = "Please specify your first name.\n";
    } 
    return error;  

}

function validatemeter_lname() {
    var error = "";
 
    if (document.meter.meter_lname.value == "") 
	{	
		document.getElementById("meter_lname").style.backgroundColor = '#d9e2f1';
        error = "Please specify your surname.\n";
    } 
    return error;  

}

function validatemeter_company() {
    var error = "";
 
    if (document.meter.meter_company.value == "") 
	{	
		document.getElementById("meter_company").style.backgroundColor = '#d9e2f1';
        error = "Please specify your company.\n";
    } 
    return error;  

}


function validatemeter_telephone() {
    var error = "";
 
    if (document.meter.meter_telephone.value == "") 
	{	
		document.getElementById("meter_telephone").style.backgroundColor = '#d9e2f1';
        error = "Please specify your telephone number.\n";
    } 
    return error;  
}

function validatemachineID() {
    var error = "";
 
    if (document.meter.machineID.value == "") 
	{	
		document.getElementById("machineID").style.backgroundColor = '#d9e2f1';
        error = "Please specify your machine ID.\n";
    } 
    return error;  
}

function validatemodelNmbr() {
    var error = "";
 
    if (document.meter.modelNmbr.value == "") 
	{	
		document.getElementById("modelNmbr").style.backgroundColor = '#d9e2f1';
        error = "Please specify your model Number.\n";
    } 
    return error;  
}

function validatemeterRdg() {
    var error = "";
 
    if (document.meter.meterRdg.value == "") 
	{	
		document.getElementById("meterRdg").style.backgroundColor = '#d9e2f1';
        error = "Please specify your meter reading.\n";
    } 
    return error;  
}
	 
//function validatecheck() {
//    var error = "";
// 
// if (document.meter.checkbox.checked == false)
//    {
//        document.getElementById("checkbox").style.backgroundColor = '#d9e2f1';	
//		error= "Please accept the Terms and Conditons\n";
//   
//    } 
//    return error;  
//}