function attention() {
	if(!document.getElementsByTagName) { return false;}
	
	var anchors = document.getElementsByTagName('A');
	
	for( num = 0; num < anchors.length; num++ ) {
		
		var sign = anchors[num];
		var rel  = sign.getAttribute('rel');
		
		if( rel == "popup") {
			sign.onclick = function() {
				window.open(this, 'popup', 'width=500, height=700, toolbar=0, status=0, location=0, resizable=1, scrollbars=1');
				return false;
			}
		}
		else if( rel == "close") {
			sign.onclick = function() {
				window.close();
				return false;
			}
		}
	}
}
window.onload = attention;