// NAVIGATION
var imgNav=new Array();

function preLoad(sRoot) {
	loadImg(sRoot,"current_examples");
	loadImg(sRoot,"design_usability");
	loadImg(sRoot,"content_management");
	loadImg(sRoot,"search_engines");
	loadImg(sRoot,"about_us");
	loadImg(sRoot,"contact_us");
}
function loadImg(sRoot,sStub) {
	var iLen=imgNav.length;
	imgNav[iLen]=new Object();
	imgNav[iLen].out=new Image();
	imgNav[iLen].out.src=sRoot+sStub+".gif";
	imgNav[iLen].over=new Image();
	imgNav[iLen].over.src=sRoot+sStub+"_on.gif";
}
function mOut(i) {
	document.images["inav"+i].src=imgNav[i].out.src;
}
function mOver(i) {
	document.images["inav"+i].src=imgNav[i].over.src;
}

function make_elink( user, host,ltext ) {
	var domain = ".co.uk";
	var atsign = "@";
	var addr = user + atsign + host + domain;
	if ( ltext.length>0){
		document.write( "<" + "a" + " " + "href=" + "mail" + "to:" + addr + ">" + ltext + "<\/a>");
	} else {
		document.write( "<" + "a" + " " + "href=" + "mail" + "to:" + addr + ">" + addr + "<\/a>");
	}
}