function settd()
{
var o=document.getElementById("rq");
o.focus();
document.execCommand("SelectAll");
var selt=document.selection;
var rgall=selt.createRange();
rgall.moveToElementText(o);
var rgtmp=rgall.duplicate();
var topstart=rgtmp.offsetTop;
while(rgtmp.offsetTop-topstart<10)
{
rgtmp.moveStart("character");
}