// JavaScript Document


window.onload = initscripts;

createNotes=function(){

            showNote=function(){
                        // gets corresponding note element id
                        var id=this.id.replace(/a/,'note');
                        note=document.getElementById(id);
                        // assigns X,Y mouse coordinates to note element
                        note.style.left=event.clientX;
                        note.style.top=event.clientY;
                        // makes note element visible
                        note.style.visibility='visible';
            }

            hideNote=function(){ 
                        // gets corresponding id for note element
                        var id=this.id.replace(/a/,'note');
                        note=document.getElementById(id);
                        // hides note element
                        note.style.visibility='hidden';
            }

            // gets all <a> elements 
            as=document.getElementsByTagName('a');
            // iterates over all <a> elements
            for(i=0;i<as.length;i++){
                        // assigns mouse event handlers to <a> elements with class name "special"
                        if(/\bspecial\b/.test(as[i].className)){
                                    // shows note element when mouse is over 
                                    as[i].onmousemove=showNote;
                                    // hides note element when mouse is out
                                    as[i].onmouseout=hideNote;
                        }
            }
}



function toggleLayer(whichLayer)
{
	if (document.getElementById)
	{
		// this is the way the standards work
		var style2 = document.getElementById(whichLayer).style;
		style2.display = style2.display? "":"block";
	}
	else if (document.all)
	{
		// this is the way old msie versions work
		var style2 = document.all[whichLayer].style;
		style2.display = style2.display? "":"block";
	}
	else if (document.layers)
	{
		// this is the way nn4 works
		var style2 = document.layers[whichLayer].style;
		style2.display = style2.display? "":"block";
	}
}

// script from : http://www.sitepoint.com
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";
	}
}


// onloads called for the page
function initscripts() {
	externalLinks();
}

window.onload = initscripts;