function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage(img) { //v3.0
	document.machine_big.src = img;
}

function swapText(id) {
	var id;
    i=0;
    while (i<4) {
    	objid = 'text'+i;

    	obj = (document.layers && objid!=undefined) ? document.layers[objid] :
              ((document.getElementById && objid!=undefined) ? document.getElementById(objid) : false);
       	if(typeof(obj)=="object" && obj!=null) {
       	
        	if (i == id) {
        		objStatus = true;
        		obj.layerstatus = true;
			}
			else {
        		objStatus = false;
        		obj.layerstatus = false;
			}
                (document.layers) ?
                (obj.visibility = (obj.layerstatus) ? "show" : "hide") :
                ((document.getElementById) ? (obj.style.visibility = (obj.layerstatus) ? "visible" : "hidden") : "");
        }
    	i++;

         }

}