function show_pozvanka(id) {
 X = event.clientX + document.body.scrollLeft - 200;
 Y = event.clientY + document.body.scrollTop + 20;

 document.getElementById(id).style.top = Y;
 document.getElementById(id).style.left = X;
 document.getElementById(id).style.display = 'block';
}

function hide_pozvanka(id) {
 document.getElementById(id).style.display = 'none';
}

function anim_pozvanka(id) {
 X = event.clientX + document.body.scrollLeft - 200;
 Y = event.clientY + document.body.scrollTop + 20;

 document.getElementById(id).style.top = Y;
 document.getElementById(id).style.left = X;
}