function InsertImage(imageID,imageDescription) {
	if(imageID!='')
		document.write('<img src="../../images/'+imageID+'" alt="'+imageDescription+'" />');
	else
		document.write('');
}

function InsertListImage(imageID,imageDescription) {
	if(imageID!='')
		document.write('<img src="../../images/'+imageID+'" class="fixed-width" alt="'+imageDescription+'" />');
	else
		document.write('');
}

function InsertByline(date,author){
	if(date!="" && author!="")
		document.write('<p class="byline">'+date+' - '+author+'</p>');
	else if(date!="" && author=="")
		document.write('<p class="byline">'+date+'</p>');		
	else if(date=="" && author!="")
		document.write('<p class="byline">'+author+'</p>');
}

function RandomNumber(length,array){
	var random_number = Math.floor(Math.random()*length);
	
	while(in_array(random_number,array))
		random_number = Math.floor(Math.random()*length);	
	
	return random_number;
}

function in_array(value,array){
	if(array.indexOf(value)==-1)
		return false;
	else
		return true;
}