// Standard functions Roemah Koetjing Ger Versluis

	var AgntUsr=navigator.userAgent.toLowerCase();
	var DomYes=(document.getElementById)?1:0;				// DOM
	var NavYes=(AgntUsr.indexOf('mozilla')!=-1&&AgntUsr.indexOf('compatible')==-1)?1:0;	// Netscape
	var ExpYes=(AgntUsr.indexOf('msie')!=-1)?1:0;				// IExplorer
	var Opr=(AgntUsr.indexOf('opera')!=-1)?1:0;	// Opera 
	var DomNav=(DomYes&&NavYes)?1:0;					// Netscape 6 up
	var DomExp=(DomYes&&ExpYes)?1:0;					// IExplorer 5 up
	var Nav4=(NavYes&&!DomYes&&document.layers)?1:0;			// Netscape 4
	var Exp4=(ExpYes&&!DomYes&&document.all)?1:0;				// IExplorer 4
	var IExpl=ExpYes;
	var AppVer=navigator.appVersion.toLowerCase();
	var MacCom=(AppVer.indexOf("mac")!= -1)?1:0;

function SwapImgs(){
	var M_A,M_Al,i;
	if(typeof(window.ImgArr)!='undefined'){M_A=window.ImgArr;M_Al=M_A.length;
		for (i=0;i<M_Al;i+=2)document.images[M_A[i]].src=M_A[i+1]}}

function ChngOrBrdr(ImageID,ImageName){
	if(ExpYes)BrdrPc(ImageID);
	else ChngPc(ImageID,ImageName)}

function BrdrPc(ImageID){
	if(ExpYes){
		if (DocImgs[ImageID].border<=0){DocImgs[ImageID].border=2;DocImgs[ImageID].height-=4;DocImgs[ImageID].width-=4}
		else{DocImgs[ImageID].border=0;DocImgs[ImageID].height+=4;DocImgs[ImageID].width+=4}}}

function ChngPc(ImageID,ImageName){
	DocImgs[ImageID].src=eval(ImageName+'.src')}

function ArrowBorder(ImageID,ArrowID,ArrowName){
	BrdrPc(ImageID);
	ChngPc(ArrowID,ArrowName)}

var DocImgs=document.images;