function startList (id_node)
{
  if (document.all&&document.getElementById) {
	var lis = document.getElementById(id_node).getElementsByTagName("LI");
	for (var i=0; i<lis.length; i++) {
		lis[i].onmouseover=function() {
			this.className+=" over";
			selects = document.getElementsByTagName('select');
			for(i = 0; i < selects.length; i++) {
				selects[i].style.visibility = 'hidden';
			}
		}
		lis[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" over"), "");
			selects = document.getElementsByTagName('select');
			for(i = 0; i < selects.length; i++) {
				selects[i].style.visibility = 'visible';
			}
		}
	}
	}
}

window.onload = function () {startList('navmain_ul')}


function input_search (input, text, current_event, inactive_class){
	if (current_event == 'focus')	{
		if (input.value == text)		{
			input.value = '';
		}
	} else if (current_event == 'blur')	{
		if (input.value == '')		{
			input.value = text;
		}
	}
}



__font_size = 2;
function font_size (suma, url)
{
  __font_size += suma;
    if (__font_size > 4) __font_size = 4;
    if (__font_size < 1) __font_size = 1;
    var estilo = document.getElementById('css_sizes');
    estilo.href = url + __font_size + '.css';
    createCookie ('css_sizes', __font_size, 365);
    return false;
}
function ReadCookie(cookieName) {
 var theCookie=""+document.cookie;
 var ind=theCookie.indexOf(cookieName);
 if (ind==-1 || cookieName=="") return ""; 
 var ind1=theCookie.indexOf(';',ind);
 if (ind1==-1) ind1=theCookie.length; 
 return unescape(theCookie.substring(ind+cookieName.length+1,ind1));
}

function createCookie(name,value,days) {
    if (days) {
        var date = new Date();
        date.setTime(date.getTime()+(days*24*60*60*1000));
        var expires = "; expires="+date.toGMTString();
    }
    else expires = "";
    document.cookie = name+"="+value+expires+"; path=/";
}

function openWindow(url,name,width,height) {
  window.open(url,name,"menubar=1,resizable=1,scrollbars=yes,width=" + width + ",height=" + height);
}