/*
// ///////////////////////////
// isdefined v1.0
// 
// Check if a javascript variable has been defined.
// 
// Author : Jehiah Czebotar
// Website: http://www.jehiah.com
// Usage  : alert(isdefined('myvar'));
// ///////////////////////////
*/
function isdefined( variable)
{
    return (typeof(window[variable]) == "undefined")?  false: true;
}

function changeLanguage(newLang)
{
	if (language != newLang)
	{
		if (isdefined('doc_singlelang')) {
			if (doc_singlelang == 'yes') {
				return;
			}
		}
		if (doc_page == 'index' && newLang == 'esp')
		{
			document.location.href = "index.html";
		}
		else
		{
			document.location.href = doc_page + '_' + newLang + '.' + doc_ext;
		}
	}
}

function handleMenuMouseOver(button_obj, button_name)
{
	if (button_name == 'home' && doc_page == 'index')
	{
		return;
	}
	if (button_name != doc_page)
	{
		button_obj.src = 'images/mnu_' + button_name + '_dn_' + language + '.png';
	}
}

function handleMenuMouseOut(button_obj, button_name)
{
	if (button_name == 'home' && doc_page == 'index')
	{
		return;
	}
	if (button_name != doc_page)
	{
		button_obj.src = 'images/mnu_' + button_name + '_' + language + '.png';
	}
}

function genMenuFilename(button_name)
{
	if (button_name == 'home') {
		if (doc_page == 'index') {
			return 'images/mnu_home_dn_' + language + '.png';
		} else {
			return 'images/mnu_home_' + language + '.png';
		}
	} else {
		if (doc_page == button_name) {
			return 'images/mnu_' + button_name + '_dn_' + language + '.png';
		} else {
			return 'images/mnu_' + button_name + '_' + language + '.png';
		}
	}
}

function genMenuTarget(button_name)
{
	if (button_name == 'home') {
		if (language == 'esp') {
			return 'index.html';
		} else {
			return 'index_' + language + '.html';
		}
	} else {
		return button_name + '_' + language + '.html';
	}
}

function genMenu()
{
document.write('      <table border="0" cellpadding="0" cellspacing="0">');
document.write('        <tr>');
document.write('          <td valign="top"><img border="0" src="images/spacer.gif" width="30" height="40"></td>');
document.write('          <td valign="top"><a href="' + genMenuTarget('home') + '"><img border="0" src="' + genMenuFilename('home') + '" width="130" height="40" onMouseOver="javascript:handleMenuMouseOver(this, \'home\');" onMouseOut="javascript:handleMenuMouseOut(this, \'home\');"></a></td>');
document.write('          <td valign="top"><a href="' + genMenuTarget('whoweare') + '"><img border="0" src="' + genMenuFilename('whoweare') + '" width="120" height="40" onMouseOver="javascript:handleMenuMouseOver(this, \'whoweare\');" onMouseOut="javascript:handleMenuMouseOut(this, \'whoweare\');"></a></td>');
document.write('          <td valign="top"><a href="' + genMenuTarget('characteristics') + '"><img border="0" src="' + genMenuFilename('characteristics') + '" width="140" height="40" onMouseOver="javascript:handleMenuMouseOver(this, \'characteristics\');" onMouseOut="javascript:handleMenuMouseOut(this, \'characteristics\');"></a></td>');
document.write('          <td valign="top"><a href="' + genMenuTarget('teachingmethod') + '"><img border="0" src="' + genMenuFilename('teachingmethod') + '" width="160" height="40" onMouseOver="javascript:handleMenuMouseOver(this, \'teachingmethod\');" onMouseOut="javascript:handleMenuMouseOut(this, \'teachingmethod\');"></a></td>');
document.write('          <td valign="top"><a href="' + genMenuTarget('distancelearning') + '"><img border="0" src="' + genMenuFilename('distancelearning') + '" width="150" height="40" onMouseOver="javascript:handleMenuMouseOver(this, \'distancelearning\');" onMouseOut="javascript:handleMenuMouseOut(this, \'distancelearning\');"></a></td>');
document.write('          <td valign="top"><a href="' + genMenuTarget('planning') + '"><img border="0" src="' + genMenuFilename('planning') + '" width="100" height="40" onMouseOver="javascript:handleMenuMouseOver(this, \'planning\');" onMouseOut="javascript:handleMenuMouseOut(this, \'planning\');"></a></td>');
document.write('          <td valign="top"><a href="' + genMenuTarget('contact') + '"><img border="0" src="' + genMenuFilename('contact') + '" width="101" height="40" onMouseOver="javascript:handleMenuMouseOver(this, \'contact\');" onMouseOut="javascript:handleMenuMouseOut(this, \'contact\');"></a></td>');
document.write('          <td valign="top"><img border="0" src="images/spacer.gif" width="29" height="40"></td>');
document.write('        </tr>');
document.write('      </table>');
}

// style sheet mods
document.write('<style>');
document.write('<!--');
document.write('select,input,textarea {');
document.write('	background-image: url(\'images/textbox_bg.png\'); background-repeat: repeat-x;');
document.write('}');
document.write('.listMainNews li { background-image: url(\'images/icon_news.gif\') }');
document.write('-->');
document.write('</style>');