function preLoad(){
    if (navigator.appVersion>="3") { 
        if (document.images) {

            navibar = new Image();
            navibar.src = "img/black.gif";

		}
    }
}

if (navigator.appVersion>="3") 
{    
    preLoad();
    var preloadFlag = true;
}

function MM_findObj(n, d) { 
	var p,i,x;
	if(!d) d=document; 
	if((p=n.indexOf("?"))>0&&parent.frames.length) {
   		 d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
	}
	if(!(x=d[n])&&d.all) x=d.all[n]; 
    for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
    for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); 
    return x;
}

function swapRestore() { 
  var i,x,a=document.MM_sr; 
  for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function swap() { 
	if (preloadFlag == true) {
	  var i,j=0,x,a=swap.arguments; 
	  document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
	    if ((x=MM_findObj(a[i]))!=null){
	  		document.MM_sr[j++]=x; 
			if(!x.oSrc) x.oSrc=x.src; 
			x.src=a[i+2];
		}
	}
}