function showRollover() {
	var links = document.getElementsByTagName('a');
	for (var i=0;i<links.length;i++) {		
		var link = links[i]
		if (link.getAttribute('rel')=='verizon' && link.getAttribute('href')) {			
			link.onmouseover = function() {
				document.getElementById('verizon').style.display='block';
			}
			link.onmouseout = function() {
				document.getElementById('verizon').style.display='none';
			}
			link.onclick = function() {
				return false;
			}
		}		
		if (link.getAttribute('rel')=='att' && link.getAttribute('href')) {
			link.onmouseover = function() {
				document.getElementById('att').style.display='block';
			}
			link.onmouseout = function() {
				document.getElementById('att').style.display='none';
			}
			link.onclick = function() {
				return false;
			}
		}
	}
}

// Open new windows
function externallinks () {
	if ( document.getElementsByTagName ) {
		var links = document.getElementsByTagName ( 'a' );
		for (var i = 0; i < links.length; i++ ) {
		var link = links[i];
			if ( ( link.getAttribute ( 'href' ) ) && ( link.getAttribute ( 'rel' ) == 'external' ) ) {
			link.target = '_blank';
			}
		}
	}
}

addLoadEvent(showRollover);
addLoadEvent(externallinks);