function ad_check()
{
	if (self.innerWidth)
	{
		frameWidth = self.innerWidth;
		frameHeight = self.innerHeight;
	}
	else if (document.documentElement && document.documentElement.clientWidth)
	{
		frameWidth = document.documentElement.clientWidth;
		frameHeight = document.documentElement.clientHeight;
	}
	else if (document.body)
	{
		frameWidth = document.body.clientWidth;
		frameHeight = document.body.clientHeight;
	}
	
	leftX = (frameWidth/2)-520;
	rightX = (frameWidth/2)+400;
	document.getElementById('banner-left').style.left = leftX;
	document.getElementById('banner-right').style.left = rightX;

	if (window.frameWidth < 940)
	{
		document.getElementById('banner-right').style.visibility = 'hidden';
	} else {
		document.getElementById('banner-right').style.visibility = 'visible';
	}
	if (window.frameWidth < 1030)
	{
		document.getElementById('banner-left').style.visibility = 'hidden';
		document.getElementById('banner-right').style.left = 820;
		document.getElementById('wrapper').style.width = '820px';
		document.getElementById('footer').style.width = '820px';
	} else {
		document.getElementById('banner-left').style.visibility = 'visible';
		document.getElementById('wrapper').style.width = '100%';
		document.getElementById('footer').style.width = '100%';
	}

//	document.getElementById('banner-left').innerHTML = leftX + "/" + frameWidth +"<br>"+ document.getElementById('banner-left').innerHTML;
}

function select_resize(mit, mire, onoff)
{
	var obj = document.getElementById(mit);
	obj.className = mire;
	if (onoff == 'on') obj.disabled = false;
	if (onoff == 'off') 
	{
		obj.disabled = true;
	}
}

function zoom(pic) {
		 window.open('zoom.php?photo='+pic, 'ZOOM', 'scrollbars=no,status=no,location=no,toolbar=no,resizable=no,width=200,height=200');
}

/*
function chgCB(){
  CHKB = document.getElementById('search').getElementsByTagName('input');
  for(i=0; i < CHKB.length; i++){
    if(CHKB[i].type == "checkbox"){
      IMG = document.createElement('img');
      CHKB[i].parentNode.insertBefore(IMG, CHKB[i]);
      IMG.src = "images/cb_off.gif";
      if(CHKB[i].checked  == true) IMG.src = "images/cb_on.gif";
      if(CHKB[i].disabled == true) IMG.src = "images/cb_dis.gif";
      else{ // Les comportements de changement d'état ne sont appliqués que si la checkbox est cliquable !
        CHKB[i].onchange = function(){
          IMG = this.parentNode.getElementsByTagName('img')[0];
          if(this.checked == true) IMG.src = 'images/cb_on.gif'
          else IMG.src = 'images/cb_off.gif'
        }
        if(!window.sidebar){
          CHKB[i].parentNode.onclick = function(){
            CHK = this.getElementsByTagName('input')[0];
            CHK.checked = (CHK.checked == true) ? false : true;
            CHK.onchange()
          }
        }
      }
      CHKB[i].style.visibility = "hidden";
      CHKB[i].style.position   = "absolute";
    }
  }
}
 
window.onload = chgCB;
*/