$(document).ready(function() {
	$("#but_mitmachen").hover(
      function () {
        $(this).css({
        	'background' : 'transparent url(images/but_mitmachen.jpg) no-repeat scroll -315px 0'
        });
      }, 
      function () {
        $(this).css({
        	'background' : 'transparent url(images/but_mitmachen.jpg) no-repeat scroll 0 0'
        });
      }
    );
    $("#but_mitmachen").click(function () { 
    	$("#greeting").slideUp("slow");
    	$("#uploadform").slideDown("slow"); 
    });

	
    $("#formbutton").hover(
	  function () {
		$(this).css({
			'background' : 'transparent url(images/but_teilnehmen.jpg) no-repeat scroll -315px 0'
		});
	  }, 
	  function () {
		$(this).css({
			'background' : 'transparent url(images/but_teilnehmen.jpg) no-repeat scroll 0 0'
		});
	  }
	);
    $("#formbutton").click(function(){
    	$("form[name='formular']").submit();
    });   
});