// JavaScript Document
function returnNumber(value){
	return parseInt(value.substring(0, value.length-2));
}
			
function moveDown(target){
	target.style.top=(returnNumber(target.style.top)-50).toString() + "px";
}

function moveUp(target){
	if(returnNumber(target.style.top)<0){
		target.style.top=(returnNumber(target.style.top)+50).toString() + "px";
	}
	else{
		target.style.top="0px";
	}
}

function showHiddenText(sender, target){
	sender.style.display="none";
	document.getElementById(target).style.display="block";
}