function MM_openBrWindow(theURL,winName,features, myWidth, myHeight, isCenter) { //v3.0
  if(window.screen)if(isCenter)if(isCenter=="true"){
    var myLeft = (screen.width-myWidth)/2;
    var myTop = (screen.height-myHeight)/2;
    features+=(features!='')?',':'';
    features+=',left='+myLeft+',top='+myTop;
  }
  window.open(theURL,winName,features+((features!='')?',':'')+'width='+myWidth+',height='+myHeight);
}

function desmarcar() {
  anclas=document.getElementsByTagName("a").length;
  for (i=0;i<anclas;i++)
  document.getElementsByTagName("a").item(i).onfocus=new Function("if(this.blur)this.blur()")
}

function maximizar(){
	window.moveTo(0,0);
	window.resizeTo(screen.availWidth,screen.availHeight);
}