function yg_Browser(){d=document;this.agt=navigator.userAgent.toLowerCase();this.major=parseInt(navigator.appVersion);this.dom=(d.getElementById);this.ns=(d.layers);this.ns4up=(this.ns&&this.major>=4);this.ns6=(this.dom&&navigator.appName=="Netscape");this.op=(window.opera);if(d.all)this.ie=1;else this.ie=0;this.ie4=(d.all&&!this.dom);this.ie4up=(this.ie&&this.major>=4);this.ie5=(d.all&&this.dom);this.ie6=(d.nodeType);this.sf=(this.agt.indexOf("safari")!=-1);this.win=((this.agt.indexOf("win")!=-1)||(this.agt.indexOf("16bit")!=-1));this.winme=(this.agt.indexOf("win 9x 4.90")!=-1);this.xpsp2=(this.agt.indexOf("sv1")!=-1);this.mac=(this.agt.indexOf("mac")!=-1);}
var oBw=new yg_Browser();function yg_getObj(id,d){var i,x;if(!d)d=document;if(!(x=d[id])&&d.all)x=d.all[id];for(i=0;!x&&i<d.forms.length;i++)x=d.forms[i][id];for(i=0;!x&&d.layers&&i<d.layers.length;i++)x=yg_getObj(id,d.layers[i].document);if(!x&&document.getElementById)x=document.getElementById(id);return x;}
function yg_getH(o){return(oBw.ns)?((o.height)?o.height:o.clip.height):((oBw.op&&typeof o.style.pixelHeight!='undefined')?o.style.pixelHeight:o.offsetHeight);}
function yg_setH(o,h){if(o.clip)o.clip.height=h;else if(oBw.op&&typeof o.style.pixelHeight!='undefined')o.style.pixelHeight=h;else o.style.height=h;}
function yg_getW(o){return(oBw.ns)?((o.width)?o.width:o.clip.width):((oBw.op&&typeof o.style.pixelWidth!='undefined')?w=o.style.pixelWidth:o.offsetWidth);}
function yg_setW(o,w){if(o.clip)o.clip.width=w;else if(oBw.op&&typeof o.style.pixelWidth!='undefined')o.style.pixelWidth=w;else o.style.width=w;}
function yg_getX(o){return(oBw.ns)?o.left:((o.style.pixelLeft)?o.style.pixelLeft:o.offsetLeft);}
function ylib_setX(o,x){if(oBw.ns){o.left=x;}else if(typeof o.style.pixelLeft!='undefined'){o.style.pixelLeft=x;}else{thisPos=parseInt(x);thisPos+="px";o.style.left=thisPos;}}
function yg_getY(o){return(oBw.ns)?o.top:((o.style.pixelTop)?o.style.pixelTop:o.offsetTop);}
function ylib_setY(o,y){if(oBw.ns){o.top=y;}else if(typeof o.style.pixelTop!='undefined'){o.style.pixelTop=y;}else{thisPos=parseInt(y);thisPos+="px";o.style.top=thisPos;}}
function yg_getPageX(o){var x=0;if(oBw.ns)x=o.pageX;else{while(eval(o)){x+=o.offsetLeft;o=o.offsetParent;}}return x;}
function yg_getPageY(o){var y=0;if(oBw.ns)y=o.pageY;else{while(eval(o)){y+=o.offsetTop;o=o.offsetParent;}}return y;}
function yg_getZ(o){return(oBw.ns)?o.zIndex:o.style.zIndex;}
function yg_moveTo(o,x,y){yg_setX(o,x);yg_setY(o,y);}
function yg_moveBy(o,x,y){yg_setX(o,yg_getPageX(o)+x);yg_setY(o,yg_getPageY(o)+y);}
function yg_setZ(o,z){if(oBw.ns)o.zIndex=z;else o.style.zIndex=z;}
function yg_setClip(o){}
function yg_show(o,disp){(oBw.ns)?'':(!disp)?o.style.display="inline":o.style.display=disp;(oBw.ns)?o.visibility='show':o.style.visibility='visible';}
function yg_hide(o,disp){(oBw.ns)?'':(arguments.length!=2)?o.style.display="none":o.style.display=disp;(oBw.ns)?o.visibility='hide':o.style.visibility='hidden';}
function yg_setStyle(o,s,v){if(oBw.ie5||oBw.dom)eval("o.style."+s+" = '"+v+"'");}
function yg_getStyle(o,s){if(oBw.ie5||oBw.dom)return eval("o.style."+s);}
function yg_getDocW(){}
function yg_getDocH(){}
function yg_addEvt(o,e,f,c){if(o.addEventListener)o.addEventListener(e,f,c);else if(o.attachEvent)o.attachEvent("on"+e,f);else eval("o.on"+e+"="+f)}
function yg_writeHTML(o,h){if(oBw.ns){var doc=o.document;doc.write(h);doc.close();return false;}
if(o.innerHTML)o.innerHTML=h;}
function yg_insertHTML(o,h,w){if(oBw.op)return;if(o.insertAdjacentHTML){o.insertAdjacentHTML(w,h);return;}
if(oBw.ns){yg_writeHTML(o,h);return;}
var r=o.ownerDocument.createRange();r.setStartBefore(o);var frag=r.createContextualFragment(h);yg_insertObj(o,w,frag)}
function yg_insertObj(o,w,node){switch(w){case'beforeBegin':o.parentNode.insertBefore(node,o)
break;case'afterBegin':o.insertBefore(node,o.firstChild);break;case'beforeEnd':o.appendChild(node);break;case'afterEnd':if(o.nextSibling){o.parentNode.insertBefore(node,o.nextSibling);}else{o.parentNode.appendChild(node)}
break;}}
function toggleInstructions(){if(oBw.ie5||oBw.ns6){Istate=document.getElementById('instructions').style.display;if(Istate=='none'){Istate='block';}
else{Istate='none';}
document.getElementById('instructions').style.display=Istate;}}
function toggleInstructionsOn(){if(oBw.ie5||oBw.ns6){Istate=document.getElementById('instructions').style.display;if(Istate=='none'){Istate='block';}
else{Istate='block';}
document.getElementById('instructions').style.display=Istate;}}
var ie4=(document.all)?true:false;var ns4=(document.layers)?true:false;var ns6=(document.getElementById&&!document.all)?true:false;function hidelayer(lay){if(ie4){document.all[lay].style.visibility="hidden";}
if(ns4){document.layers[lay].visibility="hide";}
if(ns6){document.getElementById([lay]).style.display="none";}}
function showlayer(lay){if(ie4){document.all[lay].style.visibility="visible";}
if(ns4){document.layers[lay].visibility="show";}
if(ns6){document.getElementById([lay]).style.display="block";}}
function yreg_pop(s){window.open(s,"yec_pop3","width=520,height=500,scrollbars=yes,resizable=yes");}
function sto(id_l,show_timeout){setTimeout('hidelayer("a'+id_l+'");',show_timeout);}