/*
	globales ECMAScript f�r Website des Erich Schmidt Verlag GmbH & Co., Berlin
	base-Template
	
	Version 1.0 2004/05/14
	Autor: Christian Maier <c.maier@esvmedien.de>
	Copyright (c) 2004 Erich-Schmidt-Verlag GmbH & Co. KG
*/

window.addEvent('domready', function() {
    setLinks();
});

function setLinks()
{
    if (!document.getElementsByTagName) return false;
    var links = document.getElementsByTagName("a");
    if (links.length == 0) return false;

    for (var i = 0; i < links.length; i++)
    {
        var relation = links[i].getAttribute("rel");
        if(relation) {
            var relmatch = relation.match(/external/);
            if (relmatch)
            {
                links[i].onclick = function()
                {
                    return !window.open(this.href);
                }
            }
        }
    }
}

function getwidth()
{
    document.getElementById("search_autocomplete").style.width="500px;";
    document.getElementById("search_autocomplete").style.display="table";
}


/* Highlighting Eingabefelder */
function fokusAktion(element, text)
{
	myStr = element.value;
	if(myStr == text) element.value = "";
}

function blurAktion(element, text)
{
	myStr = element.value;
	if(myStr == "") element.value = text;
}

/* Highlighting Footerlinks */
function low(obj) {
  if (obj.style.MozOpacity) obj.style.MozOpacity=0.5;
  else if (obj.filters) obj.filters.alpha.opacity=50;
}

function high(obj) {
  if (obj.style.MozOpacity) obj.style.MozOpacity=1;
  else if (obj.filters) obj.filters.alpha.opacity=100;
}

function check() {
	if (document.getElementById('searchbar').value == 'Text, Titel, ISBN, Autor, ...'||document.getElementById('searchbar').value == ''){
		alert('Bitte geben Sie einen Suchbegriff ein.');
		document.getElementById('searchbar').focus();
		return false;
	}
	else return true;
}