// JScript File
// Extended Tooltip Javascript
// copyright 9th August 2002, 3rd July 2005
// by Stephen Chapman, Felgall Pty Ltd

// permission is granted to use this javascript provided that the below code is not altered
var DH = 0;
var an = 0;
var al = 0;
var ai = 0;

if (document.getElementById) {
	ai = 1; 
	DH = 1;
} else {
	if (document.all) {
		al = 1; DH = 1;
	} else { 
		browserVersion = parseInt(navigator.appVersion); 
		if ((navigator.appName.indexOf('Netscape') != -1) && (browserVersion == 4)) {
			an = 1; 
			DH = 1;
		}
	}
} 

function fd(oi, wS) {
	if (ai) return wS ? document.getElementById(oi).style:document.getElementById(oi); 
	if (al) return wS ? document.all[oi].style: document.all[oi]; 
	if (an) return document.layers[oi];
}

function pw() {
	return window.innerWidth != null? window.innerWidth: document.body.clientWidth != null? document.body.clientWidth:null;
}

function mouseX(evt) {
	if (evt.pageX) {
		return evt.pageX; 
	} else if (evt.clientX) {
		return evt.clientX + (document.documentElement.scrollLeft ?  document.documentElement.scrollLeft : document.body.scrollLeft);
	} else {
		return null;
	}
}

function mouseY(evt) {
	if (evt.pageY) {
		return evt.pageY; 
	} else if (evt.clientY) {
		return evt.clientY + (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);
	} else {
		return null;
	}
}

function showToolTip(evt,oi,tipString) {
    
    var template = document.getElementById(oi);
    template.innerHTML = tipString;
	
    if (DH) {
	    var wp = pw(); 
	    ds = fd(oi,1); 
	    dm = fd(oi,0); 
	    st = ds.visibility;
    if (dm.offsetWidth) {
	    ew = dm.offsetWidth;
    } else if (dm.clip.width) {
	    ew = dm.clip.width;
    }

    tv = mouseY(evt) + 20;
    lv = mouseX(evt) - (ew/4); 
    if (lv < 2) {
	    lv = 2; 
    } else if (lv + ew > wp) {
	    lv -= ew/2;
    }
    if (!an) {lv += 'px';tv += 'px';} 
	    ds.left = lv; ds.top = tv; ds.visibility = "visible";
    }

}

function hideToolTip(oi) {
    var templateDiv = document.getElementById(oi);
    templateDiv.style.visibility = "hidden";
}