function setshw(par, lay, size) {
var obj = document.getElementById(setshw.arguments[1]);
if(navigator.appName.substring(0,9)=="Microsoft")
{
obj.style.left = event.x - event.offsetX + document.body.scrollLeft;
obj.style.top  = event.y - event.offsetY + document.body.scrollTop + size;
}
else
{
obj.style.left = par.offsetLeft + "px";
obj.style.top  = par.offsetTop + size + "px";
}
obj.style.display ='block';
}
function shwlay(lay)
{
var obj = document.getElementById(shwlay.arguments[0]);
obj.style.display='block';
}
function hidlay(lay)
{
var obj = document.getElementById(hidlay.arguments[0]);
obj.style.display='none';
}