// gareth.js
// Javascript for the site of Gareth

function switchtext(place) {

	var remove = document.getElementById('information');
	var classes = getElementsByClass(document.getElementById('information'), 'information');
	for (var i=0; i<classes.length; i++) {
		classes[i].className = 'informationInvis';
	}
	document.getElementById(place).className = 'informationVis';
}

function getElementsByClass(obj,classname) {
     var inc = 0;
     var foundelements = new Array();
     var alltags = obj.getElementsByTagName("*")
     for (var i=0; i<alltags.length; i++) {
        if (alltags[i].className && alltags[i].className.search(classname) >= 0) {                          
		foundelements[inc++]=alltags[i];
        }
     }

     return foundelements;
}