var showHide={
defDisp:"",defTop:"",defMargin:"",defMinW:"",
navInit:function(){
this.defDisp=document.getElementById("navHide").style.display;
this.defTop=document.getElementById("navBar").style.top;
this.defMargin=document.getElementById("main").style.margin;
this.defMinW=document.body.style.minWidth;
document.getElementById('nav-sh').href="javascript:showHide.navHide()";
var txtNode=document.createTextNode("hide")
document.getElementById('nav-sh').appendChild(txtNode);
},
navShow:function(){
document.getElementById("navHide").style.display=this.defDisp;
document.getElementById("navBar").style.top=this.defTop;
document.getElementById("main").style.margin=this.defMargin;
document.body.style.minWidth=this.defMinW;
document.getElementById('nav-sh').href="javascript:showHide.navHide()";
document.getElementById('nav-sh').firstChild.nodeValue="hide";
},
navHide:function(){
document.getElementById("navHide").style.display="none";
document.getElementById("navBar").style.top="1ex";
document.getElementById("main").style.margin="0 1em -5ex 1em";
document.body.style.minWidth="0";
document.getElementById('nav-sh').href="javascript:showHide.navShow()";
document.getElementById('nav-sh').firstChild.nodeValue="show";
}
};
window.onload=showHide.navInit;