function init(){
	setInterval('flashit()',1000);
}
function flashit(){
	var button = document.getElementById('flashit');
	
	if(hasClass(document.getElementById("flashit"), "on")){
		removeClass(document.getElementById("flashit"), "on");
		button.style.backgroundColor='#458FD9';
	}
	else{
		addClass(document.getElementById("flashit"), "on");
		button.style.backgroundColor='#88C100';
	}
    
}





function hasClass(ele,cls) {
	return ele.className.match(new RegExp('(\\s|^)'+cls+'(\\s|$)'));
}

function addClass(ele,cls) {
	if (!this.hasClass(ele,cls)) ele.className += " "+cls;
}

function removeClass(ele,cls) {
	if (hasClass(ele,cls)) {
    	var reg = new RegExp('(\\s|^)'+cls+'(\\s|$)');
		ele.className=ele.className.replace(reg,' ');
	}
}

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

addLoadEvent(init());