var msgError="";
var fade = 100 ;
var STEP = 5;
var TIME_STEP  = 100;

function doError(){
	if(msgError!=""){
		messageError.innerHTML = msgError;
		doMessage();
	}
}

function doMessage(){
	messageError.filters.alpha.opacity=fade;
	fade-=STEP;
	if(fade>-STEP){	
		setTimeout("doMessage()",TIME_STEP);
	}
}

/**
*
*/
function MM_findObj(n, d) { //v4.0
  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 && document.getElementById)
    x=document.getElementById(n); return x;
}

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_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;
}