function toggle(link,obj,texts) { if($(obj).css('display') == 'none') {	link.text(texts[0]); $(obj).show('slow'); } else { link.text(texts[1]); $(obj).hide('slow'); }}
function externalLinks() { if (!document.getElementsByTagName) return; var anchors = document.getElementsByTagName("a"); for (var i=0; i<anchors.length; i++){ var anchor = anchors[i]; if(anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") { anchor.target = "_blank"; }}}
function disable(elem) { $('#'+elem).attr('disabled','disabled'); }
function check(elem) { $('#'+elem).attr('checked','checked'); }
function ShowInfo(img,layer) { var info=document.getElementById(layer); if(info.className=='none')  { img.src='img/arr_ver_up.gif'; info.className='block'; } else { img.src='img/arr_ver_down.gif'; info.className='none'; } }	
function ac() { var ac = document.getElementById("reg"); if(ac.checked) { document.getElementById("send").disabled=''; } else { document.getElementById("send").disabled='disabled'; } }