function kvartira_over()
{
document.getElementById('kvartira').src="/img/kvartira_active.jpg";
document.getElementById('content_top_text_1').style.background="url('/img/center_grad_fon_active.jpg')";
document.getElementById('content_top_nachalo').style.background="url('/img/center_grad_left_active.jpg')";
}
function kvartira_out()
{
document.getElementById('kvartira').src="/img/kvartira.jpg";
document.getElementById('content_top_text_1').style.background="url('/img/center_grad_fon.jpg')";
document.getElementById('content_top_nachalo').style.background="url('/img/center_grad_left.jpg')";
}


function organization_over()
{
document.getElementById('organization').src="/img/organization_active.jpg";
document.getElementById('content_top_text_2').style.background="url('/img/center_grad_fon_active.jpg')";
}
function organization_out()
{
document.getElementById('organization').src="/img/organization.jpg";
document.getElementById('content_top_text_2').style.background="url('/img/center_grad_fon.jpg')";
}


function kottedzh_over()
{
document.getElementById('kottedzh').src="/img/kottedzh_active.jpg";
document.getElementById('content_top_text_3').style.background="url('/img/center_grad_fon_active.jpg')";
document.getElementById('content_top_konec').style.background="url('/img/center_grad_right_active.jpg')";
}
function kottedzh_out()
{
document.getElementById('kottedzh').src="/img/kottedzh.jpg";
document.getElementById('content_top_text_3').style.background="url('/img/center_grad_fon.jpg')";
document.getElementById('content_top_konec').style.background="url('/img/center_grad_right.jpg')";
}