function changeBack(linknum){

var theid = "mainlinks1";
	if (linknum == "1"){
	document.getElementById(theid).src = "/images/hover1.jpg";

	}

	if (linknum == "2"){
	document.getElementById(theid).src = "/images/hover2.jpg";

	}

	if (linknum == "3"){
	document.getElementById(theid).src = "/images/hover3.jpg";

	}

	if (linknum == "4"){
	document.getElementById(theid).src = "/images/hover4.jpg";

	}

	if (linknum == "5"){
	document.getElementById(theid).src = "/images/hover5.jpg";

	}

	if (linknum == "6"){
	document.getElementById(theid).src = "/images/hover6.jpg";

	}
  }

function resetBack(){

var theid = "mainlinks1";
	document.getElementById(theid).src = "/images/linksback.jpg";

  }