function imgposit(x,y){ 
        message.style.posLeft = event.x - x  + document.body.scrollLeft
        message.style.posTop = event.y - y + document.body.scrollTop
        } 

        function imgset(str){ 
        var text 
        text ='<table align="center" border="0" cellpadding="0" cellspacing="0" >'
        text += '<tr><td align=center>'+str+'</td></tr></table>'
        message.innerHTML=text 
        } 

        function imghide(){ 
        message.innerHTML='' 
}