var BT_SHOWING=false;function enable_bt(){BT_SHOWING=false;var B=0;var A=new Element("span",{"id":"btc","styles":{"position":"absolute"}});$$("div.btc").each(function(C){C.style.display="block"});document.body.appendChild(A);$$("a.bt").each(function(D){var E=D.getAttribute("title");if(E!=null&&E.length>0){B++;D.removeAttribute("title");var F=new Element("span",{"class":"tooltip","id":"tt_"+B,"styles":{"display":"block"}});var G=new Element("span",{"class":"top","styles":{"display":"block"}});G.innerHTML='<div style="text-align:right"><img style="cursor:pointer" src="/images/btclose.gif" alt="close" title="close details" onclick="bt_hide()"/></div>'+$(E).innerHTML;F.appendChild(G);var C=new Element("b",{"class":"bottom","styles":{"display":"block"}});F.appendChild(C);F.setOpacity(0.9);D.tooltip=F;D.onmouseover=bt_show}});$$("div.btc").each(function(C){C.style.display="none"})}function bt_show(C){if(BT_SHOWING&&BT_SHOWING!=this.tooltip.id){bt_hide()}if(BT_SHOWING!=this.tooltip.id){BT_SHOWING=this.tooltip.id;$("btc").appendChild(this.tooltip.clone());var D=this.getCoordinates();var B=D.top+D.height;var A=D.left+Math.round(D.width/2)-105;if(A<1){A=1}$("btc").setStyles({top:B,left:A})}}function bt_hide(){BT_SHOWING=false;$("btc").empty()}