window.onload = initialize;

function initialize()
{
	initializeSearchField();
	if (document.getElementById('map_canvas'))
		initializeMaps();
}

function initializeSearchField()
{
	var searchField = document.getElementById('header').getElementsByTagName('input')[0];
	searchField.value = 'suche';
	
	searchField.onclick = new Function("onClickBlurSearchField(this,'click')");
	searchField.onblur = new Function("onClickBlurSearchField(this,'blur')");
}


function onClickBlurSearchField(elem,clickOrBlur)
{
	if (clickOrBlur == 'click')
		if (elem.value=='suche')
			elem.value='';

	if (clickOrBlur == 'blur')
		if (elem.value=='')
			elem.value='suche';
}