function valid(){

var First_Name=window.document.forms.demoform.First_Name.value;
var Last_Name=window.document.forms.demoform.Last_Name.value;
var phone=window.document.forms.demoform.phone.value;
var city=window.document.forms.demoform.city.value;
var time=window.document.forms.demoform.time.value;
var dropp_address=window.document.forms.demoform.dropp_address.value;
var dropp_city=window.document.forms.demoform.dropp_city.value;
var errors=0;
var errorMessage="The following field(s) are required:\n";






if(time.length<1){
	errors++;
	errorMessage=errorMessage + "Reservation Date and Time:\n";	

	}



if(First_Name.length<1){
	errors++;
	errorMessage=errorMessage + "First Name\n";	

	}


if(Last_Name.length<1){
	errors++;
	errorMessage=errorMessage + "Last Name\n";	

	}



if(city.length<1){
	errors++;
	errorMessage=errorMessage + "City\n";	

	}

if(dropp_address.length<1){
	errors++;
	errorMessage=errorMessage + "Destination City\n";	

	}

if(dropp_city.length<1){
	errors++;
	errorMessage=errorMessage + "Destination City\n";	

	}



if(errors==0){
	
	window.document.forms.demoform.submit();	
}
else	
	{
	window.alert(errorMessage);
	}


	}