function go(){
if(event.srcElement.className=="rightmenu"){event.srcElement.style.backgroundColor="eeeeee";
event.srcElement.style.color="black"}};

function go2(){
if(event.srcElement.className=="rightmenu"){event.srcElement.style.background="none";
event.srcElement.style.color="black"}};

function go3(){
if(event.y+document.body.scrollTop>=400){document.all.mess.style.top=event.y-180+document.body.scrollTop};
if(event.y+document.body.scrollTop<400){document.all.mess.style.top=event.y+document.body.scrollTop};
if(event.x+document.body.scrollLeft>=1000){document.all.mess.style.left=event.x-120+document.body.scrollLeft};
if(event.x+document.body.scrollLeft<1000){document.all.mess.style.left=event.x+document.body.scrollLeft};
document.all.mess.style.visibility='visible';return false}

document.oncontextmenu=go3;