function $(el){
	return typeof el == 'string' ? document.getElementById(el) : el;
}

/* class name */

function hasClassName(el, classname) {
	var el = $(el);
	if(el.className == null) return false;
	var list = el.className.split(/\s+/);
	for(var i = 0; i < list.length; i++)
		if (list[i] == classname)
			return true;
	return false;
}


function removeClassName(el, classname) {
	var el = $(el);
	if(el.className == null) return;
	var newList = [];
	var curList = el.className.split(/\s+/);

	for(var i = 0; i < curList.length; i++)
		if(curList[i] != classname)
			newList[newList.length] = curList[i];
			//newList.push(curList[i]);
	el.className = newList.join(" ");
}



function MM_openBrWindow(theURL,winName,features) { //v2.0
  w=window.open(theURL,winName,features);
  w.focus();
}