content_0.getElementsByTagName("td")[0].innerHTML+="<div id='davio' style='background:none;margin-top:10'>"
+"<input type='button' value='Show Buttons' onclick='showButtons()' style='border:1px solid #999999;background-color:#000000;color:#ffffff;font-size:9pt'>"
+"</div>"
controlPanelButtons.style.display="none"
function showButtons(){
controlPanelButtons.style.display="block"
davio.innerHTML="<input type='button' value='Hide Buttons' onclick='hideButtons()' style='border:1px solid #999999;background-color:#000000;color:#ffffff;font-size:9pt'>"
}
function hideButtons(){
controlPanelButtons.style.display="none"
davio.innerHTML="<input type='button' value='Show Buttons' onclick='showButtons()' style='border:1px solid #999999;background-color:#000000;color:#ffffff;font-size:9pt'>"
}