var cor;
var idBtOver = '';
var srcBtOver = '';

function MM_preloadImages() { //v3.0
  var d=document; 
  if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; 
	for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ 
	d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}
	}
}

function MM_swapImgRestore() { //v3.0
	var i, x, a = document.MM_sr; for (i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) x.src = x.oSrc;
	if (idBtOver != '') {
		var img = document.getElementById(idBtOver);
		img.src = srcBtOver + '_over.gif';
	}
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; 
  document.MM_sr=new Array; 
  for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){
	   document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];
   }
}

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 setBtOver(id, src){
	var img = document.getElementById(id);
	img.src= src + '_over.gif';
	if(idBtOver != ''){
		img = document.getElementById(idBtOver);
		img.src= srcBtOver + '.gif';
	}
	idBtOver = id;
	srcBtOver = src;
}