function chVisible_tabs(id,tname,tcnt){var t=null;var ti=null;for(var ii=1;ii<=tcnt;ii++){t=document.getElementById(tname+"_block_"+ii);ti=document.getElementById(tname+"_tab_"+ii);if(t&&ti){if(ii!=id){t.style.display="none";ti.className="tabs_title"}else{t.style.display="";ti.className="tabs_title_sel"}}}return true};