<!--
agents_on =new Image();  agents_on.src ="images/agents_on.gif";
agents_off = new Image(); agents_off.src = "images/agents.gif"; 

img1_off = new Image(); img1_off.src = "images/maisons.gif"; 
img1_on =new Image();  img1_on.src ="images/maisons_on.gif";

img2_off = new Image(); img2_off.src = "images/agents.gif"; 
img2_on =new Image();  img2_on.src ="images/agents_on.gif";
img2_und = new Image(); img2_und.src = "images/agents_2.gif";

img3_off = new Image(); img3_off.src = "images/commerces.gif"; 
img3_on =new Image();  img3_on.src ="images/commerces_on.gif";
img3_und = new Image(); img3_und.src = "images/commerces_2.gif";

img4_off = new Image(); img4_off.src = "images/ecrire.gif"; 
img4_on =new Image();  img4_on.src ="images/ecrire_on.gif";
img4_und = new Image(); img4_und.src = "images/ecrire_2.gif";

img5_off = new Image(); img5_off.src = "images/vendre.gif"; 
img5_on =new Image();  img5_on.src ="images/vendre_on.gif";
img5_und = new Image(); img5_und.src = "images/vendre_2.gif";

img6_off = new Image(); img6_off.src = "images/lignes.gif"; 
img6_und = new Image(); img6_und.src = "images/lignes_2.gif";

img_active = 1;

function img_on(k){
  img_off();
n = parseInt(k)+1;
  eval('document.img'+k+'.src=img' +k+ '_on.src');
  eval('document.img'+n+'.src=img' +n+ '_und.src');
  img_active = parseInt(k);
}

function img_off() {
n = parseInt(img_active)+1;
	eval('document.img'+img_active+'.src=img' +img_active+ '_off.src');
	eval('document.img'+ n +'.src=img' + n + '_off.src');
	}

function open_url(page) {
main_frame.location = page;
}


-->