var shortcutQs = new Array();

shortcutQs[1] = 'level1=7&level2=0';
shortcutQs[2] = 'level1=6&level2=0';
shortcutQs[3] = 'level1=4&level2=5';
shortcutQs[4] = 'level1=5&level2=0';
shortcutQs[5] = 'level1=11&level2=0';

function changePageShortcut(select, lang)
{
	var target = select.value;
	if(shortcutQs[target])
		window.location.search = '?'+shortcutQs[target]+'&lang='+lang;
	else
		window.location.search = '?lang='+lang;
}