if (document.getElementById) { window.onload = swap };
function swap() {
var numimages=7;
rndimg = new Array("http://www.tolkienlibrary.com/images/pagebanners/Tolkienlibrary1.jpg", "http://www.tolkienlibrary.com/images/pagebanners/Tolkienlibrary1_f2.jpg", "http://www.tolkienlibrary.com/images/pagebanners/Tolkienlibrary1_f3.jpg", "http://www.tolkienlibrary.com/images/pagebanners/Tolkienlibrary1_f4.jpg", "http://www.tolkienlibrary.com/images/pagebanners/Tolkienlibrary1_f5.jpg", "http://www.tolkienlibrary.com/images/pagebanners/Tolkienlibrary1_f6.jpg", "http://www.tolkienlibrary.com/images/pagebanners/Tolkienlibrary1_f7.jpg"); 
x=(Math.floor(Math.random()*numimages));
randomimage=(rndimg[x]);
document.getElementById("mainimg").style.backgroundImage = "url("+ randomimage +")"; 
}

var win=null;
function NewWindow(mypage,myname,w,h,scroll,pos){
if(pos=="random"){LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;}
if(pos=="center"){LeftPosition=(screen.width)?(screen.width-w)/2:100;TopPosition=(screen.height)?(screen.height-h)/2:100;}
else if((pos!="center" && pos!="random") || pos==null){LeftPosition=0;TopPosition=20}
settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
win=window.open(mypage,myname,settings);}

function openpopup(){
var winpops=window.open(popurl,"","width=,height=")
}