$(document).ready(function(){
    $("#images a").hover(
	  	function () {
	    	$(this).find(".hover").css({display:"inline"});
	  	}, 
		function () {
			$(this).find(".hover").css({display:"none"});
	  	}
	);
});


var ActiveSubID = 0; // the idx of the active sub


function getSubElement(IDIN)
{
	ElementIDString = IDIN;
	ElementOUT = document.getElementById(ElementIDString);
	if(typeof ElementOUT == 'undefined') return false;
	return ElementOUT;
}// getSubElement


function hideSub(IDIN)
{
	//alert("Attempting to hide the "+IDIN+" sub");
	SubElement = getSubElement(IDIN);
	if(SubElement)SubElement.style.display='none';
}// hideSub


function showSub(IDIN)
{
	//alert("Attempting to show the "+IDIN+" sub");
	SubElement = getSubElement(IDIN);
	if(SubElement)SubElement.style.display='block';
}// showSub


function setActiveSub(IDIN)
{
	showSub(IDIN);
	ActiveSubID = IDIN;
}// setActiveSub


function switchActiveSub(IDIN)
{
	hideSub(ActiveSubID);
	setActiveSub(IDIN);	
	//alert('The active sub is now '+ActiveSubID);
}// switchActiveSub