function check_form() {
	var form_ok = true;
	
	
			var answers1 = document.getElementsByName("answer1[]");
			var answer1 = "";
			
			for (i = 0; i < answers1.length; i++) {
				if (answers1[i].checked == true) {
					answer1 = answers1[i].value;
				}
			}
			
			if (answer1 == "") {
				question_attention(1, true);
				form_ok = false;
			} else {
				question_attention(1, false);
			}
		

			var answers2 = document.getElementsByName("answer2[]");
			var answer2 = "";
			
			for (i = 0; i < answers2.length; i++) {
				if (answers2[i].checked == true) {
					answer2 = answers2[i].value;
				}
			}
			
			if (answer2 == "") {
				question_attention(2, true);
				form_ok = false;
			} else {
				question_attention(2, false);
			}
		

			var answers3 = document.getElementsByName("answer3[]");
			var answer3 = "";
			
			for (i = 0; i < answers3.length; i++) {
				if (answers3[i].checked == true) {
					answer3 = answers3[i].value;
				}
			}
			
			if (answer3 == "") {
				question_attention(3, true);
				form_ok = false;
			} else {
				question_attention(3, false);
			}
		

			var answers4 = document.getElementsByName("answer4[]");
			var answer4 = "";
			
			for (i = 0; i < answers4.length; i++) {
				if (answers4[i].checked == true) {
					answer4 = answers4[i].value;
				}
			}
			
			if (answer4 == "") {
				question_attention(4, true);
				form_ok = false;
			} else {
				question_attention(4, false);
			}
		

			var answers5 = document.getElementsByName("answer5[]");
			var answer5 = "";
			
			for (i = 0; i < answers5.length; i++) {
				if (answers5[i].checked == true) {
					answer5 = answers5[i].value;
				}
			}
			
			if (answer5 == "") {
				question_attention(5, true);
				form_ok = false;
			} else {
				question_attention(5, false);
			}
		

			var answers6 = document.getElementsByName("answer6[]");
			var answer6 = "";
			
			for (i = 0; i < answers6.length; i++) {
				if (answers6[i].checked == true) {
					answer6 = answers6[i].value;
				}
			}
			
			if (answer6 == "") {
				question_attention(6, true);
				form_ok = false;
			} else {
				question_attention(6, false);
			}
		

			var answers7 = document.getElementsByName("answer7[]");
			var answer7 = "";
			
			for (i = 0; i < answers7.length; i++) {
				if (answers7[i].checked == true) {
					answer7 = answers7[i].value;
				}
			}
			
			if (answer7 == "") {
				question_attention(7, true);
				form_ok = false;
			} else {
				question_attention(7, false);
			}
		

			var answers8 = document.getElementsByName("answer8[]");
			var answer8 = "";
			
			for (i = 0; i < answers8.length; i++) {
				if (answers8[i].checked == true) {
					answer8 = answers8[i].value;
				}
			}
			
			if (answer8 == "") {
				question_attention(8, true);
				form_ok = false;
			} else {
				question_attention(8, false);
			}
		

			var answers9 = document.getElementsByName("answer9[]");
			var answer9 = "";
			
			for (i = 0; i < answers9.length; i++) {
				if (answers9[i].checked == true) {
					answer9 = answers9[i].value;
				}
			}
			
			if (answer9 == "") {
				question_attention(9, true);
				form_ok = false;
			} else {
				question_attention(9, false);
			}
		

			var answers10 = document.getElementsByName("answer10[]");
			var answer10 = "";
			
			for (i = 0; i < answers10.length; i++) {
				if (answers10[i].checked == true) {
					answer10 = answers10[i].value;
				}
			}
			
			if (answer10 == "") {
				question_attention(10, true);
				form_ok = false;
			} else {
				question_attention(10, false);
			}
		

			var answers8_a = document.getElementsByName("answer8_a[]");
			var answer8_a = "";
			
			for (i = 0; i < answers8_a.length; i++) {
				if (answers8_a[i].checked == true) {
					answer8_a = answers8_a[i].value;
				}
			}
		

			var answers8_b = document.getElementsByName("answer8_b[]");
			var answer8_b = "";
			
			for (i = 0; i < answers8_b.length; i++) {
				if (answers8_b[i].checked == true) {
					answer8_b = answers8_b[i].value;
				}
			}
		

			var answers8_c = document.getElementsByName("answer8_c[]");
			var answer8_c = "";
			
			for (i = 0; i < answers8_c.length; i++) {
				if (answers8_c[i].checked == true) {
					answer8_c = answers8_c[i].value;
				}
			}
		

			var answers8_d = document.getElementsByName("answer8_d[]");
			var answer8_d = "";
			
			for (i = 0; i < answers8_d.length; i++) {
				if (answers8_d[i].checked == true) {
					answer8_d = answers8_d[i].value;
				}
			}
		
	
	if (answer2 == 7) {
		if (document.getElementById('answer2_text').value == '') {
			input_attention('answer2_text', true);
			form_ok = false;
		} else {
			input_attention('answer2_text', false);
		}
	}
	
	if (answer8 == 1 && (answer8_a == '' || answer8_b == '' || answer8_c == '' || answer8_d == '')) {
		question_attention(8, true);
		form_ok = false;
	}
	
	if (answer8 == 2) {
		if (document.getElementById('answer8_text').value == '') {
			input_attention('answer8_text', true);
			form_ok = false;
		} else {
			input_attention('answer8_text', false);
		}
	}
	
	if (document.getElementById('botton_check1').checked != true) {
		document.getElementById('botton_check1').className = 'check_att';
		form_ok = false;
	} else {
		document.getElementById('botton_check1').className = 'form';
	}
	
	if (document.getElementById('botton_check2').checked != true) {
		document.getElementById('botton_check2').className = 'check_att';
		form_ok = false;
	} else {
		document.getElementById('botton_check2').className = 'form';
	}
	
	if (form_ok == true && answer1 != '' && answer2 != '' && answer3 != '' && answer4 != '' && answer5 != '' &&
		answer6 != '' && answer7 != '' && answer9 != '' && answer10 != '') {
		document.getElementById('all_questions').style.display = 'none';
		document.form1.submit();
	} else {
		document.getElementById('all_questions').style.display = 'block';
	}
}

function question_attention(i, attention) {
	if (attention == true) {
		document.getElementById('question_id_' + i).className = 'question_att id bold';
		document.getElementById('question_str_' + i).className = 'question_att';
	} else {
		document.getElementById('question_id_' + i).className = 'question id bold';
		document.getElementById('question_str_' + i).className = 'question';
	}
}

function input_attention(o, attention) {
	if (attention == true) {
		document.getElementById(o).className = "form input_att";
	} else {
		document.getElementById(o).className = "form input";
	}
}

function on_off_8_1(state) {
	var answer_text = document.getElementsByName('answer8_yes[]');
	var answer8_a = document.getElementsByName('answer8_a[]');
	var answer8_b = document.getElementsByName('answer8_b[]');
	var answer8_c = document.getElementsByName('answer8_c[]');
	var answer8_d = document.getElementsByName('answer8_d[]');
	
	if (state == true) {
		for (i = 0; i < answer_text.length; i++) {
			answer_text[i].className = 'answer_disabled';
		}
	} else {
		for (i = 0; i < answer_text.length; i++) {
			answer_text[i].className = 'answer';
		}
	}
	
	for (i = 0; i < answer8_a.length; i++) {
		answer8_a[i].disabled = state;
	}
	
	for (i = 0; i < answer8_b.length; i++) {
		answer8_b[i].disabled = state;
	}
	
	for (i = 0; i < answer8_c.length; i++) {
		answer8_c[i].disabled = state;
	}
	
	for (i = 0; i < answer8_d.length; i++) {
		answer8_d[i].disabled = state;
	}
}

function on_off_8_2(state) {
	var answer8_text = document.getElementById('answer8_text');
	var answer_text = document.getElementsByName('answer8_no[]');
	
	disable_input('answer8_text', state);
	
	if (state == true) {
		answer_text[0].className = 'answer_disabled';
		answer8_text.className = 'form_disabled input';
	} else {
		answer_text[0].className = 'answer';
		answer8_text.className = 'form input';
	}
}

function disable_input(o, state) {
	var el = document.getElementById(o);
	el.disabled = state;
	
	if (state == true) {
		el.className = 'form_disabled input';
		el.value = '';
	} else {
		el.className = 'form input';
	}
}

function trim(str, chars) {
	return ltrim(rtrim(str, chars), chars);
}

function ltrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("^[" + chars + "]+", "g"), '');
}

function rtrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("[" + chars + "]+$", "g"), '');
}