// check search for query at top of every page

function search(formnumber) {
	if (document.forms[formnumber].query.value == "") {
		alert("Please enter a query.");
		return false;
	}
	return true;
}

var rollovers = new Object;
rollovers.submit = {main:"submit.gif", over:"submitB.gif", width:200, height:100};
rollovers.messageboard = {main:"messageboard.gif", over:"messageboardB.gif", width:200, height:100};
rollovers.mypcel = {main:"mypcel.gif", over:"mypcelB.gif", width:200, height:100};

for (image in rollovers) {
	rollovers[image].imageA = new Image(rollovers[image].width, rollovers[image].height);
	rollovers[image].imageA.src = "imgs/"+rollovers[image].main;
	rollovers[image].imageB = new Image(rollovers[image].width, rollovers[image].height);
	rollovers[image].imageB.src = "imgs/"+rollovers[image].over;
}

function rollover(image, imageno) {
	document.images[imageno].src = rollovers[image].imageB.src; 
}

function rollout(image, imageno) {
	document.images[imageno].src = rollovers[image].imageA.src; 
}

function submission() {
	if (document.forms[1].res_title.value == "") {
		alert("Please enter a title.");
		return false;
	}
	if (document.forms[1].res_description.value == "") {
		alert("Please enter a description.");
		return false;
	}
	if (document.forms[1].res_organisation.value == "") {
		alert("Please enter an organisation.");
		return false;
	}
	return true;
}

function learning(id, column) {
	url = "/pcel/learning.php?id="+id+"&column="+column;
	learningwindow = window.open(url, "learning", "width=500,height=400");
	learningwindow.focus();
}
function learningedit(id, column) {
	url = "/pcel/learning.php?id="+id+"&column="+column+"&edit=edit";
	learningwindow = window.open(url, "learning", "width=500,height=400");
	learningwindow.focus();
}