/*
** check survey answers and warn survant if he left any empty field
*/

function kontrol_anket17 (objForm){
	if (objForm){
		var objQ01       = objForm.q01.value.Trim();
		var objQ02       = objForm.q02.value.Trim();
		var objQ03       = objForm.q03.value.Trim();
		var objQ04       = objForm.q04.value.Trim();
		var objQ05       = objForm.q05.value.Trim();
		var objQ06       = objForm.q06.value.Trim();
		var objQ07       = objForm.q07;
		var objQ08       = objForm.q08.value.Trim();
		var objQ09       = objForm.q09;
		var objQ10       = objForm.q10.value.Trim();
		var objQ11       = objForm.q11;
		var objQ12       = objForm.q12.value.Trim();
		var objQ13       = objForm.q13;
		var objQ14       = objForm.q14.value.Trim();
		var objQ15       = objForm.q15;
		var objQ16       = objForm.q16.value.Trim();
		var objQ17       = objForm.q17;
		var objQ18       = objForm.q18.value.Trim();
		var objQ19       = objForm.q19;
		var objQ20       = objForm.q20;
		var objQ21       = objForm.q21.value.Trim();
		var strErrMsg    = '';
		
		
		if (objQ01 == ''){
			strErrMsg += '   \n* \Please enter "name & surname"';
		}
		
		if (objQ02 == ''){
			strErrMsg += '   \n* \Please enter "living city & country"';
		}
		
		if (objQ03 == ''){
			strErrMsg += '   \n* \Please enter "e-mail address"';
		}
		
		if (objQ04 == ''){
			strErrMsg += '   \n* \Please enter "your visited season to Turkey"';
		}
		
		if (objQ05 == ''){
			strErrMsg += '   \n* \Please enter "the purpose of your visit"';
		
		}
			

		if (objQ06 != ''){
		
		if (objQ07[0].checked == false && objQ07[1].checked == false && objQ07[2].checked == false ){
      			strErrMsg += '   \n* \If you write tour name, please also choose "Very good, Good, Fair" ';
			
		}
	  	}
		
		if (objQ08 != ''){
		
		if (objQ09[0].checked == false && objQ09[1].checked == false && objQ09[2].checked == false ){
      			strErrMsg += '   \n* \If you write tour name, please also choose "Very good, Good, Fair"';
			
		}
	  	}

		if (objQ10 != ''){
		
		if (objQ11[0].checked == false && objQ11[1].checked == false && objQ11[2].checked == false ){
      			strErrMsg += '   \n* \If you write tour guide, please also choose "Very good, Good, Fair"';
			
		}
	  	}
		
		if (objQ12 != ''){
		
		if (objQ13[0].checked == false && objQ13[1].checked == false && objQ13[2].checked == false ){
      			strErrMsg += '   \n* \If you write hotel name, please also choose "Very good, Good, Fair"';
			
		}
	  	}
		
		if (objQ14 != ''){
		
		if (objQ15[0].checked == false && objQ15[1].checked == false && objQ15[2].checked == false ){
      			strErrMsg += '   \n* \If you write hotel name, please also choose "Very good, Good, Fair"';
			
		}
	  	}
		
		if (objQ16 != ''){
		
		if (objQ17[0].checked == false && objQ17[1].checked == false && objQ17[2].checked == false ){
      			strErrMsg += '   \n* \If you write hotel name, please also choose "Very good, Good, Fair"';
			
		}
	  	}
		if (is_RBF_Filled(objQ19) == false){
			strErrMsg += '   \n* \Please enter "how did you hear about our site"';
		}
		
		if (is_RBF_Filled(objQ20) == false){
			strErrMsg += '   \n* \Please enter "recommended" space"';
		}
	
		if (strErrMsg.Trim().length > 0){
			show_error_msg_tr(strErrMsg);
		}else{
			objForm.submit();		
		}
	}
}

/*
**
** check whether radio button field is filled or not
**
*/

function is_RBF_Filled(objRadioButton){
	if (objRadioButton){
		var n_SelectedAnswers = 0;

		for (var i = 0; i < objRadioButton.length; i++){
			if (objRadioButton[i].checked == true){
				n_SelectedAnswers++;
			}
		}

		if (n_SelectedAnswers ==1 ){
			return(true);
		}else{
			return(false);	
		}
	}else{
		return(false);
	}
}