function functionLink() {
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("rel") == "blank")
		anchor.target = "_blank";
	}
}
window.onload = functionLink;

function functionLayer(stringValue) {
	var stringStyle = document.getElementById(stringValue).style;
	stringStyle.display = (stringStyle.display == 'none') ? 'block' : 'none';
}