$(function(){
    $('area.hover').each(function(){
        var $this = $(this);
        var myImage = $this.parent().prev();
        myImage.data('orig_src',myImage.attr('src'));
        var myText  = $this.parent().next();
        myText.data('orig_content',myText.html());
        myText.css('height',myText.height());

        $this.data('myImage',myImage);
        $this.data('myText',myText);
        $this.data('overImage',myImage.attr('src').replace(/gesamt/,$this.attr('alt')));
        var hoverImage=new Image();
        hoverImage.src=$this.data('overImage');
        $this.data('outImage' ,myImage.data('orig_src'));
        
        $this.mouseover(
                function(){
                    $this.data('myImage').attr('src',$this.data('overImage'));
                    $this.data('myText').html('<p>'+$this.attr('title')+'</p>');
                });
        $this.mouseout(
                function(){
                    $this.data('myImage').attr('src',$this.data('outImage'));
                    $this.data('myText').html($this.data('myText').data('orig_content'));
                });
    });
});