/* navigation */

var mf_si,mf_li,mf_lo,mf_tt,mf_th,mf_ts;var qp="parentNode";var qc="className";var mf_t=navigator.userAgent;var mf_o=mf_t.indexOf("Opera")+1;var mf_s=mf_t.indexOf("afari")+1;var mf_s2=mf_s&&window.XMLHttpRequest;var mf_n=mf_t.indexOf("Netscape")+1;var mf_v=parseFloat(navigator.vendorSub);;function mf_create(sd,v,ts,th,oc,rl,sh,fl,nf,l){var w="onmouseover";if(oc){w="onclick";th=0;ts=0;}if(!l){l=1;mf_th=th;sd=document.getElementById("mf"+sd);sd[w]=function(e){mf_kille(e)};document[w]=mf_bo;sd.style.zoom=1;if(sh)x2("mfsh",sd,1);if(!v)sd.ch=1;}else  if(sh)sd.ch=1;if(sh)sd.sh=1;if(fl)sd.fl=1;if(rl)sd.rl=1;sd.style.zIndex=l+""+1;var lsp;var sp=sd.childNodes;for(var i=0;i<sp.length;i++){var b=sp[i];if(b.tagName=="A"){lsp=b;b[w]=mf_oo;b.mfts=ts;if(l==1&&v){b.style.styleFloat="none";b.style.cssFloat="none";}}if(b.tagName=="DIV"){if(window.showHelp&&!window.XMLHttpRequest)sp[i].insertAdjacentHTML("afterBegin","<span class='mfclear'>&nbsp;</span>");x2("mfparent",lsp,1);lsp.cdiv=b;b.idiv=lsp;if(mf_n&&mf_v<8&&!b.style.width)b.style.width=b.offsetWidth+"px";new mf_create(b,null,ts,th,oc,rl,sh,fl,nf,l+1);}}};function mf_bo(e){clearTimeout(mf_tt);mf_tt=null;if(mf_li&&!mf_tt)mf_tt=setTimeout("x0()",mf_th);};function x0(){var a;if((a=mf_li)){do{mf_uo(a);}while((a=a[qp])&&!mf_a(a))}mf_li=null;};function mf_a(a){if(a[qc].indexOf("mfmc")+1)return 1;};function mf_uo(a,go){if(!go&&a.mftree)return;if(window.mfad&&mfad.bhide)eval(mfad.bhide);a.style.visibility="";x2("mfactive",a.idiv);}; function mf_oo(e,o,nt){if(!o)o=this;if(window.mfad&&mfad.bhover&&!nt)eval(mfad.bhover);if(window.mfwait){mf_kille(e);return;}clearTimeout(mf_tt);mf_tt=null;if(!nt&&o.mfts){mf_si=o;mf_tt=setTimeout("mf_oo(new Object(),mf_si,1)",o.mfts);return;}var a=o;if(a[qp].isrun){mf_kille(e);return;}var go=true;while((a=a[qp])&&!mf_a(a)){if(a==mf_li)go=false;}if(mf_li&&go){a=o;if((!a.cdiv)||(a.cdiv&&a.cdiv!=mf_li))mf_uo(mf_li);a=mf_li;while((a=a[qp])&&!mf_a(a)){if(a!=o[qp])mf_uo(a);else break;}}var b=o;var c=o.cdiv;if(b.cdiv){var aw=b.offsetWidth;var ah=b.offsetHeight;var ax=b.offsetLeft;var ay=b.offsetTop;if(c[qp].ch){aw=0;if(c.fl)ax=0;}else {if(c.rl){ax=ax-c.offsetWidth;aw=0;}ah=0;}if(mf_o){ax-=b[qp].clientLeft;ay-=b[qp].clientTop;}if(mf_s2){ax-=mf_gcs(b[qp],"border-left-width","borderLeftWidth");ay-=mf_gcs(b[qp],"border-top-width","borderTopWidth");}if(!c.ismove){c.style.left=(ax+aw)+"px";c.style.top=(ay+ah)+"px";}x2("mfactive",o,1);if(window.mfad&&mfad.bvis)eval(mfad.bvis);c.style.visibility="inherit";mf_li=c;}else  if(!mf_a(b[qp]))mf_li=b[qp];else mf_li=null;mf_kille(e);};function mf_gcs(obj,sname,jname){var v;if(document.defaultView&&document.defaultView.getComputedStyle)v=document.defaultView.getComputedStyle(obj,null).getPropertyValue(sname);else  if(obj.currentStyle)v=obj.currentStyle[jname];if(v&&!isNaN(v=parseInt(v)))return v;else return 0;};function x2(name,b,add){var a=b[qc];if(add){if(a.indexOf(name)==-1)b[qc]+=(a?' ':'')+name;}else {b[qc]=a.replace(" "+name,"");b[qc]=b[qc].replace(name,"");}};function mf_kille(e){if(!e)e=event;e.cancelBubble=true;if(e.stopPropagation&&!(mf_s&&e.type=="click"))e.stopPropagation();}


/* form */
function fieldClear(field)
{
	if (field.defaultValue == field.value) field.value = "";
}
function fieldRestore(field) {
  if (field.value == "") {
    field.value = field.defaultValue;
  }
}