this.vtip = function() {
    this.xOffset = -10;
    this.yOffset = -60;
    
    mxjQuery(".vtip").attr('title','');
    
    mxjQuery(".vtip").unbind().hover(    
        function(e) {
            this.t = this.alt;
            this.title = ''; 
            this.top = (e.pageY + yOffset); this.left = (e.pageX + xOffset);
            
            mxjQuery('body').append( '<div id="vtip"><img id="vtipArrow" />' + this.t + '</div>' );
                        
            mxjQuery('div#vtip #vtipArrow').attr("src", iberooturl+'graphics/vtip_arrow_bottom.png');
            mxjQuery('div#vtip').css("top", this.top+"px").css("left", this.left+"px").fadeIn("fast");
            
        },
        function() {
            //this.title = this.t;
            mxjQuery("div#vtip").fadeOut("slow").remove();
        }
    ).mousemove(
        function(e) {
            this.top = (e.pageY + yOffset);
            this.left = (e.pageX + xOffset);
                         
            mxjQuery("div#vtip").css("top", this.top+"px").css("left", this.left+"px");
        }
    );            
    
};

mxjQuery(document).ready(function(mxjQuery){vtip();})