function show_faq(lay) {
	if (document.getElementById("rep_"+lay) && document.getElementById("ques_"+lay) ) {
		if (document.getElementById("rep_"+lay).style.display =="block"){
			document.getElementById("rep_"+lay).style.display ="none";
			document.getElementById("rep_"+lay).style.visibility ="hidden";
			document.getElementById("ques_"+lay).className ="question_faq";
		}
		else {
			document.getElementById("rep_"+lay).style.display ="block";
			document.getElementById("rep_"+lay).style.visibility ="visible";
			document.getElementById("ques_"+lay).className ="question_faq_on";
		}
	}
}