// external

function button_mover(button) {
	button.style.color='#ffffff'; 
	button.style.backgroundColor='#000000';
}

function button_mout(button) {
	button.style.color='#000000';
	button.style.backgroundColor='#ffffff';
}

function addFormEvent(func) {
	if (!document.getElementById | !document.getElementsByTagName) {
		return;
	}
	var oldonload=window.onload;
	if (typeof window.onload != 'function') {
		window.onload=func;
	} else {
    		window.onload=function() {oldonload();func()}
	}
}



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("rel") == "external") {
			anchor.target = "_blank";
		}
	}
} 

addFormEvent(externalLinks);