//Image swap

function swapimg(id,img){
	document.getElementById(id).src=img;
}

//External links script

function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}
window.onload = externalLinks;

//Random image script

var backgroundSrcs = new Array(
"http://www.suerubira.co.uk/images/leftpics/leftpic1.jpg",
"http://www.suerubira.co.uk/images/leftpics/leftpic2.jpg",
"http://www.suerubira.co.uk/images/leftpics/leftpic3.jpg",
"http://www.suerubira.co.uk/images/leftpics/leftpic4.jpg",
"http://www.suerubira.co.uk/images/leftpics/leftpic5.jpg",
"http://www.suerubira.co.uk/images/leftpics/leftpic6.jpg"
);

function pickimage()
{

var bgimage=backgroundSrcs[(Math.round(Math.random()*(backgroundSrcs.length-1)))]

document.getElementById("randompic").style.background = "url('"+bgimage+"') top left no-repeat";

}