function ob_multiselect(o_C,o_c){if (o_C.id=="")return;if (!o_c)o_c=window.event;if (!o_c)return;var o_B= false;var o_BS= false;if (o_c!=null){o_B=o_c.ctrlKey;o_BS=o_c.shiftKey;}if (o_B==0&&o_BS==0){if (o_C.id!=""){ob_t2_UnselectAllNodes();o_l2=null;ob_sn2=o_C.id; if (typeof ob_op2!="undefined"){ob_op2.className="ob_t2"; ob_op2.parentNode.parentNode.parentNode.style.backgroundColor="transparent"; }o_C.className="ob_t3";}}else if(o_B) {var o_b;o_b=ob_sn2.split("|");o_o0=o_b.length;o_l2=null;if (o_o0>0){o_O0=-1; for (i=0; i<o_o0; i++){if (o_b[i]==o_C.id){o_O0=i; break; }}if (o_O0>-1){o_b.splice(o_O0,1); if (o_b.length>0){tree_selected_id=o_b[o_b.length-1]; ob_op2=eval("document.getElementById('"+o_b[o_b.length-1]+"')"); }else {tree_selected_id=""; ob_op2=undefined; }ob_sn2=o_b.join("|"); o_C.className="ob_t2"; o_l0=o_C.parentNode.parentNode.parentNode; o_l0.style.backgroundColor="transparent";return 1; }else {if (o_C.id!="")ob_sn2+=((ob_sn2.length>0)?"|": "")+o_C.id;}}return 0;}else{if(ob_prev_selected){ob_t2_UnselectAllNodes();if (o_l2!=null){ob_prev_selected=o_l2; }else{if (ob_prev_selected.id!="")ob_sn2+=((ob_sn2.length>0)?"|": "")+ob_prev_selected.id;}var o_py=calcOffsetY(ob_prev_selected); var o_ny=calcOffsetY(o_C); ob_prev_selected.className="ob_t3"; if (o_py<o_ny){if (o_l2==null){var o_tn=ob_getNodeDown(ob_prev_selected, false); }else {var o_tn=o_l2; }while (o_tn!=o_C){if (o_tn.id!="")ob_sn2+=((ob_sn2.length>0)?"|": "")+o_tn.id;o_tn.className="ob_t3"; o_tn=ob_getNodeDown(o_tn, false);}if (o_l2==null){o_l2=ob_prev_selected; }}else if (o_py>o_ny){if (o_l2==null){var o_tn=ob_getNodeUp(ob_prev_selected, false); }else {var o_tn=o_l2; }while (o_tn!=o_C){if (o_tn.id!="")ob_sn2+=((ob_sn2.length>0)?"|": "")+o_tn.id;o_tn.className="ob_t3"; o_tn=ob_getNodeUp(o_tn, false); }if (o_l2==null){o_l2=ob_prev_selected;}}if(o_tn)if(o_tn.id!="")ob_sn2+=((ob_sn2.length>0)?"|": "")+o_tn.id;}}}