function setCookie (name, value, expires, path, domain, secure) {
      document.cookie = name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

function getCookie(name) {
	var cookie = " " + document.cookie;
	var search = " " + name + "=";
	var setStr = '';
	var offset = 0;
	var end = 0;
	if (cookie.length > 0) {
		offset = cookie.indexOf(search);
		if (offset != -1) {
			offset += search.length;
			end = cookie.indexOf(";", offset)
			if (end == -1) {
				end = cookie.length;
			}
			setStr = unescape(cookie.substring(offset, end));
		}
	}
	return(setStr);
}

function DeleteCookie(strName)
{
    document.cookie = strName + "=0; expires=" + (new Date(0)).toGMTString();
}

function str_replace(search, replace, subject) {
    return subject.split(search).join(replace);
} 

function help(name)
{
document.getElementById('help'+name).style.display = '';
}

function help_close()
{

for (var i = 1; i < 4; i++) 
 {
document.getElementById('help'+i).style.display = 'none';
 }
}