var color1 = '#E6F4E9';
var color2 = '#FFFFFF';

function cl_on(ls) {
document.getElementById(ls).style.background=color1;
document.getElementById(ls+"_2").style.background=color1;
document.getElementById(ls+"_3").style.visibility = 'visible';
return true;
}
function cl_off(ls) {
document.getElementById(ls).style.background=color2;
document.getElementById(ls+"_2").style.background=color2;
document.getElementById(ls+"_3").style.visibility = 'hidden';
return true;
}

function cl_on2(ls) {
document.getElementById(ls).style.background = color1;
document.getElementById(ls+"_2").style.background=color1;
return true;
}
function cl_off2(ls) {
document.getElementById(ls).style.background = color2;
document.getElementById(ls+"_2").style.background=color2;
return true;
}