function CheckRadio(field, ShowMessage) {
	flag = false;
	for ( i=0; i < field.length; i++ )
		if (field[i].checked) {
		   flag = true;
		   break;
	}
	if (!flag) {
	     alert(ShowMessage);
	     return true; 
	}else{
	     return false;
	}
}
function WithoutCheck(ss, ShowMessage) {
if(ss.checked) {;return false; }
ss.focus();
alert(ShowMessage);
return true;
}
function trim(inputString) {
   // Removes leading and trailing spaces from the passed string. Also removes
   // consecutive spaces and replaces it with one space. If something besides
   // a string is passed in (null, custom object, etc.) then return the input.
   if (typeof inputString != "string") { return inputString; }
   var retValue = inputString;
   var ch = retValue.substring(0, 1);
   while (ch == " ") { // Check for spaces at the beginning of the string
      retValue = retValue.substring(1, retValue.length);
      ch = retValue.substring(0, 1);
   }
   ch = retValue.substring(retValue.length-1, retValue.length);
   while (ch == " ") { // Check for spaces at the end of the string
      retValue = retValue.substring(0, retValue.length-1);
      ch = retValue.substring(retValue.length-1, retValue.length);
   }
/*
   while (retValue.indexOf("  ") != -1) { // Note that there are two spaces in the string - look for multiple spaces within the string
      retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); // Again, there are two spaces in each of the strings
   }
*/
   return retValue;
} 
function CheckField(Field, ShowMessage) {
	var result = 0;
	var fieldvalue = trim(Field.value);
	if (fieldvalue =="") {
		alert(ShowMessage);
		Field.value = "";
		Field.focus();
		result = 1;
	}
	return result;
}

function submit_online(formname)
{
    if(CheckField(formname.name, "Please specify a your Name")){
       return false;   
	   }else if(CheckField(formname.address_line_1, "Please specify your address")){
       return false;   
	   	    }else if(CheckField(formname.country, "Please specify your country.")){
       return false; 
	   	    }else if(CheckField(formname.telephone, "Please specify your telephone.")){
       return false;
	    }else if(CheckField(formname.email, "Please specify your email.")){
       return false; 
	   	    }else if(CheckField(formname.gender, "Please specify your gender.")){
       return false; 
	   	    }else if(CheckField(formname.age, "Please specify your age.")){
       return false; 
		}

       
			   	 if(formname.tour1.checked  == true && formname.people1.value  == ""){
				  alert("Please specify the number of people you wish to book for tour 1."); 
				  formname.people1.focus();
				  return false; 
		 }
		 			   	 if(formname.tour2.checked  == true && formname.people2.value  == ""){
				  alert("Please specify the number of people you wish to book for tour 2."); 
				  formname.people2.focus();
				  return false; 
		 }
		 			   	 if(formname.tour3.checked  == true && formname.people3.value  == ""){
				  alert("Please specify the number of people you wish to book for tour 3."); 
				  formname.people3.focus();
				  return false; 
		 }
		 			   	 if(formname.tour4.checked  == true && formname.people4.value  == ""){
				  alert("Please specify the number of people you wish to book for tour 4."); 
				  formname.people4.focus();
				  return false; 
		 }
		 
		 
		    	 if(formname.tour1.checked  == false && formname.people1.value  != ""){
				  alert("Please check the box for tour 1 to confirm that tour."); 
				  formname.people1.focus();
				  return false; 
		 }
		 			   	 if(formname.tour2.checked  == false && formname.people2.value  != ""){
				  alert("Please check the box for tour 2 to confirm that tour."); 
				  formname.people2.focus();
				  return false; 
		 }
		 			   	 if(formname.tour3.checked  == false && formname.people3.value  != ""){
				  alert("Please check the box for tour 3 to confirm that tour."); 
				  formname.people3.focus();
				  return false; 
		 }
		 			   	 if(formname.tour4.checked  == false && formname.people4.value  != ""){
				  alert("Please check the box for tour 4 to confirm that tour."); 
				  formname.people4.focus();
				  return false; 
		 }
		 
		 	   	 if(formname.tour1.checked  == false && formname.tour2.checked  == false && formname.tour3.checked  == false && formname.tour4.checked  == false){
				  alert("Please specify a tour to book."); 
				  return false; 
		 }
		 
		 
		 		 			   	 if(formname.tour4.checked  == true && formname.own_tour.value  == ""){
				  alert("Please specify some trip notes/details for the design of your own trip."); 
				  formname.own_tour.focus();
				  return false; 
		 }

 if(CheckRadio(formname.fitness, "Please specify your ability level.")){
       return false;  
 }
}