/*javascript for Bubble Tooltips by Alessandro Fulciniti
- http://pro.html.it - http://web-graphics.com */
	  
/* original code: */

function enableTooltips(id){
	var links,i,h;
	if(!document.getElementById || !document.getElementsByTagName) return;
	AddCss();
	h=document.createElement("span");
	h.id="btc";
	h.setAttribute("id","btc");
	h.style.position="absolute";
	h.style.zIndex=100; /*Keeps tooltips anove underlying iframe shim at zindex 99 (set below)*/
	document.getElementsByTagName("body")[0].appendChild(h);
	if(id==null) links=document.getElementsByTagName("a");
	else links=document.getElementById(id).getElementsByTagName("a");
	for(i=0;i<links.length;i++){
   	 	Prepare(links[i]);
    }
}

function Prepare(el){
	var tooltip,t,b,s,l;
	t=el.getAttribute("title");
	if(t==null || t.length==0) return; 
	el.removeAttribute("title");
	tooltip=CreateEl("span","tooltip");
	s=CreateEl("span","top");
	s.appendChild(document.createTextNode(t));
	tooltip.appendChild(s);
	b=CreateEl("b","bottom");
	/* l=el.getAttribute("href");
	if(l.length>30) l=l.substr(0,27)+"...";
	b.appendChild(document.createTextNode(l));*/    /*This bit is disabled to remove hyperlink */
	tooltip.appendChild(b);
	setOpacity(tooltip);
	el.tooltip=tooltip;
	el.onmouseover=showTooltip; //Uncomment to show tooltip on mouseover rather than onclick
	//el.onclick=showTooltip;
	el.onmouseout=hideTooltip;
	//el.onmousemove=Locate; // Uncomment to allow tooltip to move with mouse.
}

function showTooltip(e){
	document.getElementById("btc").appendChild(this.tooltip);
	Locate(e);
}

function hideTooltip(e){
	var d=document.getElementById("btc");
	if(d.childNodes.length>0) d.removeChild(d.firstChild);
	/*Remove iframe shim:*/
	document.getElementById('shim').style.display='none';
}

function setOpacity(el){
	el.style.filter="alpha(opacity:100)";
	el.style.KHTMLOpacity="1.0";
	el.style.MozOpacity="1.0";
	el.style.opacity="1.0";
}

function CreateEl(t,c){
	var x=document.createElement(t);
	x.className=c;
	x.style.display="block";
	return(x);
}

function AddCss(){
	var l=CreateEl("link");
	l.setAttribute("type","text/css");
	l.setAttribute("rel","stylesheet");
	l.setAttribute("href","css/cms_screen.css");
	l.setAttribute("media","screen");
	document.getElementsByTagName("head")[0].appendChild(l);
}

function Locate(e){
	var posx=0,posy=0;
	if(e==null) e=window.event;
	if(e.pageX || e.pageY){
   		posx=e.pageX; posy=e.pageY;
    } else if(e.clientX || e.clientY){
    	if(document.documentElement.scrollTop){
        	posx=e.clientX+document.documentElement.scrollLeft;
        	posy=e.clientY+document.documentElement.scrollTop;
    	} else{
        	posx=e.clientX+document.body.scrollLeft;
        	posy=e.clientY+document.body.scrollTop;
      	}
    }
	document.getElementById("btc").style.top=(posy+10)+"px";
	document.getElementById("btc").style.left=(posx-20)+"px";
	
	/*Get height of tooltip using offsetHeight, so iframe height can be correctly set so no blank white space below tooltip in IE */
	var gettipheight = document.getElementById("btc").offsetHeight

	/*Bring up the shim iframe - included in the HTML of cms-master-inc.php - to cover annoying form elements in IE*/
	var shimobj=document.getElementById('shim').style;
	var popobj=document.getElementById("btc").style;
	shimobj.height=gettipheight+'px'
	shimobj.width=200+'px'
	/*var obj=obj.style*/
	shimobj.left=popobj.left
	shimobj.top=popobj.top
	shimobj.zIndex=99
	shimobj.display='block'

}