/*	navigation.js - Navigational JavaScript for use at renewables.morris.umn.edu
 *	
 *	Last Modified on 6/26/2008 by Matt Zaske, UMM, WCROC
 */

function expand(displayVal) {
	if (document.getElementById) 
	{
		var full = document.getElementById(displayVal).style;
		if(full.display == "block") 
		{
			full.display = "none";
		} 
		else 
		{
			full.display = "block";
		}
		return false;
	}
	else
	{
		return true;
	}
}

function externalLinks() {
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") &&
				anchor.getAttribute("class") == "external")
			anchor.target = "_blank";
	}
}

window.onload = externalLinks;