/*-----------------------------------------------------

 File:		img_tools.js
  
 ----------------------------------------------------*/
 
function UP_findObj(n, d) { //v3.0
	var p,i,x; 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=UP_findObj(n,d.layers[i].document); return x;
	}

function UP_swapImage(d) { //v3.0
	var i,j=0,x,a=UP_swapImage.arguments; d.UP_sr=new Array; for(i=1;i<(a.length-2);i+=3)
	if ((x=UP_findObj(a[i],d))!=null){d.UP_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function UP_swapImgRestore(d) { //v3.0
	var i,x,a=d.UP_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function UP_preloadImages(d) { //v3.0
	if(d.images){ if(!d.UP_p) d.UP_p=new Array();
	var i,j=d.UP_p.length,a=UP_preloadImages.arguments; for(i=1; i<a.length; i++)
	if (a[i].indexOf("#")!=0){ d.UP_p[j]=new Image; d.UP_p[j++].src=a[i];}}
}

function UP_displayStatusMsg(d,msgStr) { //v1.0
  status=msgStr;
  d.UP_returnValue = true;

}

function UP_resetStatusMsg(d) { //v1.0
  status="";
  d.UP_returnValue = true;

}