// JavaScript Document
var collimg = new Image();
collimg.src = "minus.png";
var expimg = new Image();
collimg.src = "plus.png";

function ShowHideLayer(boxID) {
	/* Obtain reference for the selected boxID layer and its button */
	var box = document.getElementById("box"+boxID);
	var boxbtn = document.getElementById("btn"+boxID);

	/* If the selected box is currently invisible, show it */
	if(box.style.display == "none") {
		//box.style.display = "block";
 		boxbtn.src = "http://blog.onedesigncompany.com/images/minus.png";
	}
	/* otherwise hide it */
	else {
		//box.style.display = "none";
		boxbtn.src = "http://blog.onedesigncompany.com/images/plus.png";
	}
}