// Scripts

//alert("js");
IE = (navigator.appName.substring(0,9) == "Microsoft");

function defer_script(aScriptText){
  document.write('<script defer="defer">'+aScriptText+'</script>');
}

function getElementsByClass(searchClass,node,tag) {
// Credits to http://www.dustindiaz.com/getelementsbyclass/
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

if(IE){
  defer_script("set_blinkers();");
}

var BLINK_INTERVAL = 800;
var blinkers;

function blink(){
  for(i=0; i<blinkers.length; i++){
    aElement = blinkers[i];
    if(aElement.style.visibility=="hidden"){
      aElement.style.visibility="visible";
    }
    else{
      aElement.style.visibility="hidden";
    }
  }  
}

function set_blinkers(){
  blinkers = getElementsByClass("blink");
  blink_interval = setInterval(blink, BLINK_INTERVAL);
}