/* 
    xDisplay() shows or hides elements
*/
function xDisplay(e, visible, defaultMode) {
    if (!defaultMode) defaultMode = 'block';
    if(!(e=xGetElementById(e))) return;
    var mode = (visible)?defaultMode:'none';
    if(e.style && xDef(e.style.display)) {
        e.style.display=mode;
    }
    else if(xDef(e.display)) e.display=mode;
}

/**
    opens every external Link in new Window
*/    
	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"; 
		} 
	}

	function blurLinks() { 
		if (!document.getElementsByTagName) return; 
		var anchors = document.getElementsByTagName("a"); 
		for (var i=0; i<anchors.length; i++) { 
			var anchor = anchors[i]; 
			anchor.onfocus = blurFunction; 
		} 
		var anchors = document.getElementsByTagName("area"); 
		for (var i=0; i<anchors.length; i++) { 
			var anchor = anchors[i]; 
			anchor.onfocus = blurFunction;  
		} 
	}
	function blurFunction() {if(this.blur)this.blur();};

    window.addOnload(blurLinks);
	window.addOnload(externalLinks);
	
/* external Link end */