function preloadNav()
{
	if (document.images)
	{
		nav10= new Image();
		nav10.src = "images/nav10_sel.gif";

		nav11= new Image();
		nav11.src = "images/nav11_sel.gif";

		nav12= new Image();
		nav12.src = "images/nav12_sel.gif";

		nav13= new Image();
		nav13.src = "images/nav13_sel.gif";

		nav14= new Image();
		nav14.src = "images/nav14_sel.gif";

		nav20= new Image();
		nav20.src = "images/nav20_sel.gif";

		nav21= new Image();
		nav21.src = "images/nav21_sel.gif";

		nav22= new Image();
		nav22.src = "images/nav22_sel.gif";

		nav23= new Image();
		nav23.src = "images/nav23_sel.gif";

		nav24= new Image();
		nav24.src = "images/nav24_sel.gif";

		nav25= new Image();
		nav25.src = "images/nav25_sel.gif";

		nav26= new Image();
		nav26.src = "images/nav26_sel.gif";

	}
	return true;
}


function simages() { //v1.0
  var i,target,j=0,sarray=new Array,oarray=document.simgdata;
  for (i=0; i < (simages.arguments.length-2); i+=3) {
    target = eval(simages.arguments[(navigator.appName == 'Netscape')?i:i+1])
    if (target != null) {
      sarray[j++] = target;
      sarray[j++] = (oarray==null || oarray[j-1]!=target)?target.src:oarray[j];
      target.src = simages.arguments[i+2];
  } }
  document.simgdata = sarray; //used for restore
}


function simgr() { //v1.0
  if (document.simgdata != null)
    for (var i=0; i<(document.simgdata.length-1); i+=2)
      document.simgdata[i].src = document.simgdata[i+1];
}