var spacer = ":";

function klok() {
	var currentTime = new Date();
	var hours = currentTime.getHours();
	var minutes = currentTime.getMinutes();
	var pam = null;
	
	if (spacer == ":") {
	spacer = " ";
	} else {
	spacer = ":";
	}
	
	if (minutes < 10) {
	minutes = "0" + minutes;
	}
	
	if (hours < 10) {
	hours = "0" + hours;
	}
	
	if(hours > 11) {
	pam = 'pm';
	} else {
	pam = 'am';
	}
	
	timeValue = hours + spacer + minutes + pam;
	
	document.getElementById("klok").innerHTML = timeValue;
}

setInterval("klok();",1000);
klok();