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

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

function 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=findObj(n,d.layers[i].document); return x;
}

function bookIt(argVal)
	{
	var bookData = new Array();
	bookData = argVal.split("|");
	if (document.all)
	window.external.AddFavorite(bookData[0], bookData[1]);
	else
	alert("Sorry. Netscape users must bookmark the pages manually by hitting <Ctrl-D>");
}

function addfav()
	{
	if (document.all)
		{
		window.external.AddFavorite
		("http://www.asbestossurveyingltd.co.uk","Asbestos Surveys at short notice Nationwide")
	}
}