function BlockToggle(objId,togId,display){var o=document.getElementById(objId),t=document.getElementById(togId);if(o.style.display=='none'){if(!display)display='block';if(display=='table-row'){var agent=navigator.userAgent.toLowerCase();if(agent.indexOf('msie')>=0&&agent.indexOf('opera')<0)display='block';}
o.style.display=display;t.innerHTML='-';}else{o.style.display='none';t.innerHTML='+';}}