function showMenu(obj) {
	obj.parentNode.getElementsByTagName("a")[0].className = "hover";
	var divs = obj.parentNode.getElementsByTagName("div");
	if (divs.length > 0)
		divs[0].style.display = "block";
}

function hideMenu(obj) {
	obj.parentNode.getElementsByTagName("a")[0].className = "";
	var divs = obj.parentNode.getElementsByTagName("div");
	if (divs.length > 0)
		divs[0].style.display = "none";
}

function adjustLines() {
	arrHr = document.getElementsByTagName("hr");
	
	for (var i = 0; i < arrHr.length ; i++) {
		if ((arrHr[i].parentNode.className != "line-gray") && (arrHr[i].parentNode.className != "line-blue"))
			$(arrHr[i]).wrap('<div class="line-gray"></div>');
	}
}

$(document).ready(function(){
	adjustLines();
});