function changeBg(div_id,pic){
document.getElementById(div_id).style.backgroundImage="url('images/"+pic+"')";
}



function menu_on(num){
document.getElementById(num).style.visibility='visible';
}

function hide_all () {
document.getElementById('p1').style.visibility='hidden';
document.getElementById('p2').style.visibility='hidden';
document.getElementById('p4').style.visibility='hidden';
document.getElementById('p7').style.visibility='hidden';
document.getElementById('p9').style.visibility='hidden';
}

function addClass(e) {
	if (e.className == "d_pl_exp opened"){
	e.className = "d_pl_exp";
	} else {
	e.className = "d_pl_exp opened"
	}
}

function addClass1(e) {
	if (e.className == "faq_sub opened"){
	e.className = "faq_sub";
	} else {
	e.className = "faq_sub opened"
	}
}

function expandit(curobj){

e = '';
ns6=document.getElementById&&!document.all?1:0;
e = ns6?document.getElementById(curobj).style:document.all[curobj].style;

 
if (e.display == "none"){
e.display = "";

//document[arr].src = eval('arron.src');

} else {

e.display = "none";

//document[arr].src = eval('arroff.src');

}
}