var tipstr=new Array();

var dom = (document.getElementById) ? true : false;
var ns5 = (!document.all && dom || window.opera) ? true: false;
var ie5 = ((navigator.userAgent.indexOf("MSIE")>-1) && dom) ? true : false;
var ie4 = (document.all && !dom) ? true : false;
var nodyn = (!ns5 && !ie4 && !ie5 && !dom) ? true : false;

var origWidth, origHeight;

if (nodyn) { event = "nope" }

var tipFollowMouse= true;	
var tipWidth= 160;
var offX= 20;
var offY= 12; 
var tipFontFamily= "Verdana, arial, helvetica, sans-serif";
var tipFontSize= "8pt";
var tipFontColor= "#000000";
var tipBgColor= "#FFE97E"; 
var tipBorderColor= "#F59302";
var tipBorderWidth= 1;
var tipBorderStyle= "ridge";
var tipPadding= 4;

var startStr = '<table width="' + tipWidth + '"><tr><td align="center" width="100%">';
var endStr = '</td></tr></table>';


var tooltip, tipcss;
function initTip() {
        if (nodyn) return;
        tooltip = (ie4)? document.all['tipdiv']: document.getElementById('tipdiv');
//    alert(document.getElementById('tipdiv'));
        tipcss = tooltip.style;
        if (ie4||ie5||ns5) {    // ns4 would lose all this on rewrites
                tipcss.width = tipWidth+"px";
                tipcss.fontFamily = tipFontFamily;
                tipcss.fontSize = tipFontSize;
                tipcss.color = tipFontColor;
                tipcss.backgroundColor = tipBgColor;
                tipcss.borderColor = tipBorderColor;
                tipcss.borderWidth = tipBorderWidth+"px";
                tipcss.padding = tipPadding+"px";
                tipcss.borderStyle = tipBorderStyle;
        }
        if (tooltip&&tipFollowMouse) {
                document.onmousemove = trackMouse;
        }
}

var t1,t2;
var tipOn = false;

function doTooltip(evt,tiptext) {
	if (!tooltip) return;
	if (t1) clearTimeout(t1);	if (t2) clearTimeout(t2);
	tipOn = true;
	curBgColor = tipBgColor;
	curFontColor = tipFontColor;
	if (ie4||ie5||ns5) {
		var tip = startStr + '<span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + curFontColor + ';">' + tiptext + '</span>' + endStr;
		tipcss.backgroundColor = curBgColor;
	 	tooltip.innerHTML = tip;
	}
	if (!tipFollowMouse) positionTip(evt);
	else t1=setTimeout("tipcss.visibility='visible'",100);
}

var mouseX, mouseY;
function trackMouse(evt) {
	standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body;
	mouseX = (ns5)? evt.pageX: window.event.clientX + standardbody.scrollLeft;
	mouseY = (ns5)? evt.pageY: window.event.clientY + standardbody.scrollTop;
	if (tipOn) positionTip(evt);
}

function positionTip(evt) {
	if (!tipFollowMouse) {
		standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body
		mouseX = (ns5)? evt.pageX: window.event.clientX + standardbody.scrollLeft;
		mouseY = (ns5)? evt.pageY: window.event.clientY + standardbody.scrollTop;
	}
	var tpWd = (ie4||ie5)? tooltip.clientWidth: tooltip.offsetWidth;
	var tpHt = (ie4||ie5)? tooltip.clientHeight: tooltip.offsetHeight;
	var winWd = (ns5)? window.innerWidth-20+window.pageXOffset: standardbody.clientWidth+standardbody.scrollLeft;
	var winHt = (ns5)? window.innerHeight-20+window.pageYOffset: standardbody.clientHeight+standardbody.scrollTop;
	if ((mouseX+offX+tpWd)>winWd) 
		tipcss.left = mouseX-(tpWd+offX)+"px";
	else tipcss.left = mouseX+offX+"px";
	if ((mouseY+offY+tpHt)>winHt) 
		tipcss.top = winHt-(tpHt+offY)+"px";
	else tipcss.top = mouseY+offY+"px";
	if (!tipFollowMouse) t1=setTimeout("tipcss.visibility='visible'",100);
}

function hideTip() {
	if (!tooltip) return;
	t2=setTimeout("tipcss.visibility='hidden'",100);
	tipOn = false;
}

initTip();