function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		preloadFlag = true;
	}
}

function showMe(id) {
var divs = new Array();
divs[0] = "preface";
divs[1] = "hh_contents";
divs[2] = "excerpt1";
divs[3] = "excerpt2";
divs[4] = "excerpt3";
divs[5] = "cartoon1";
divs[6] = "cartoon2";
divs[7] = "cartoon3";
divs[8] = "cartoon4";
divs[9] = "cartoon5";
divs[10] = "cartoon6";
for(x=0; x < divs.length; x++) {
	document.getElementById(divs[x]).style.display = "none";
}
document.getElementById(id).style.display = "block";
}

function validateform() {
var missinginfo = "";
	
	if (document.info.Name.value == "") {
	missinginfo += "Please include your name\n";
	}
	
	if (document.info.Email.value == "") {
	missinginfo += "Please include your email\n";
	}
	
	
	if (missinginfo != ""){
	alert(missinginfo);
	return false;
	}
	
}