function setSearchText(ev)
{
	var searchInput;
	var searchText = 'Suchbegriff eingeben';

	if(ev.target)
	{
		searchInput = ev.target;
	}
	if(ev.srcElement)
	{
		searchInput = ev.srcElement;
	}

	if(searchInput.value == '')
	{
		searchInput.value = searchText;
	}
	else if(searchInput.value == searchText)
	{
		searchInput.value = '';
	}
}