// parrottLab javascripts

// define the base HREF so the image rollovers can work from multiple directory levels
 var baseHREF = "http://www.cropsoil.uga.edu/~parrottlab/";
// var baseHREF = "http://rhdev.webapps.uga.edu/staging/parrottLab/";

// image swapper; only requires an onmouseover event in the A tag
function swap(linky,id) {
    im            = document.images[id];
    im.outIm      = new Image();
    im.overIm     = new Image();
    im.outIm.src  = document.images[id].src;
    im.overIm.src = baseHREF + "images/" + id + "-on.gif";
    im.src        = im.overIm.src;
    linky.onmouseout  = new Function("var im=document."+id+"; im.src=im.outIm.src;");
    linky.onmouseover = new Function("var im=document."+id+"; im.src=im.overIm.src;");
}

function show() {
	for (var i=0; i<show.arguments.length; i++) {
		var element = document.getElementById(show.arguments[i]);
		element.style.display = "block";
	}
}

function hide() {
	for (var i=0; i<hide.arguments.length; i++) {
		var element = document.getElementById(hide.arguments[i]);
		element.style.display = "none";
	}
}