if(document.images) {
 var imgs = new Array();
 imgs[0] = new Image();  imgs[0].src = "img/system/system.gif"; 
 imgs[1] = new Image();  imgs[1].src = "img/system/system6-1.gif"; 
 imgs[2] = new Image();  imgs[2].src = "img/system/system6-2.gif"; 
 imgs[3] = new Image();  imgs[3].src = "img/system/system6-3.gif"; 
 imgs[4] = new Image();  imgs[4].src = "img/system/system6-4.gif"; 
}

function chgimg(id, imgname) {
 if(document.images) {
  if(imgs[imgname]) {
    document.images[id].src = imgs[imgname].src;
  }
  else {
    document.images[id].src = imgname;
  }
 }
}

function CloseWin(){
    window.close();
}

function profile(){

sub1=window.open("presidentprof.html","window2","resizable=no,menubar=no,directories=no,status=no,location=no,width=740,height=580");

}