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= 304;
var offX= 20;
var offY= 12; 
var tipFontFamily= "Verdana, arial, helvetica, sans-serif";
var tipFontSize= "8pt";

var tipFontColor= "#ffffff";
var tipBgColor= "#000000"; 
var tipBorderColor= "#000000";
var tipBorderWidth= 0;
var tipBorderStyle= "hidden";
var tipPadding= 0;

var messages = new Array();

messages[0]  = new Array('graphics/surrealtex/index_thumbs/stex_indx_imgs_1.gif','',"#000000");
messages[1]  = new Array('graphics/surrealtex/index_thumbs/stex_indx_imgs_2.gif','',"#000000");
messages[2]  = new Array('graphics/surrealtex/index_thumbs/stex_indx_imgs_3.gif','',"#000000");
messages[3]  = new Array('graphics/surrealtex/index_thumbs/stex_indx_imgs_4.gif','',"#000000");
messages[4]  = new Array('graphics/surrealtex/index_thumbs/stex_indx_imgs_5.gif','',"#000000");
messages[5]  = new Array('graphics/surrealtex/index_thumbs/stex_indx_imgs_6.gif','',"#000000");
messages[6]  = new Array('graphics/surrealtex/index_thumbs/stex_indx_imgs_7.gif','',"#000000");
messages[7]  = new Array('graphics/surrealtex/index_thumbs/stex_indx_imgs_8.gif','',"#000000");
messages[8]  = new Array('graphics/surrealtex/index_thumbs/stex_indx_imgs_9.gif','',"#000000");
messages[9]  = new Array('graphics/surrealtex/index_thumbs/stex_indx_imgs_10.gif','',"#000000");
messages[10] = new Array('graphics/surrealtex/index_thumbs/stex_indx_imgs_11.gif','',"#000000");
messages[11] = new Array('graphics/surrealtex/index_thumbs/stex_indx_imgs_12.gif','',"#000000");
messages[12] = new Array('graphics/surrealtex/index_thumbs/stex_indx_imgs_13.gif','',"#000000");
messages[13] = new Array('graphics/surrealtex/index_thumbs/stex_indx_imgs_14.gif','',"#000000");
messages[14] = new Array('graphics/surrealtex/index_thumbs/stex_indx_imgs_15.gif','',"#000000");
messages[15] = new Array('graphics/surrealtex/index_thumbs/stex_indx_imgs_16.gif','',"#000000");
messages[16] = new Array('graphics/surrealtex/index_thumbs/stex_indx_imgs_17.gif','',"#000000");
messages[17] = new Array('graphics/surrealtex/index_thumbs/stex_indx_imgs_18.gif','',"#000000");


if (document.images) {
	var theImgs = new Array();
	for (var i=0; i<messages.length; i++) {
  	theImgs[i] = new Image();
		theImgs[i].src = messages[i][0];
  }
}

var startStr = '<table width="' + tipWidth + '"><tr><td align="center" width="100%"><img src="';
var midStr = '" border="0"></td></tr><tr><td valign="top">';
var endStr = '</td></tr></table>';

var tooltip, tipcss;
function initTip() {
	if (nodyn) return;
	tooltip = (ie4)? document.all['tipDiv']: (ie5||ns5)? document.getElementById('tipDiv'): null;
	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;
	}
}

window.onload = initTip;

var t1,t2;
var tipOn = false;
function doTooltip(evt,num) {
	if (!tooltip) return;
	if (t1) clearTimeout(t1);	if (t2) clearTimeout(t2);
	tipOn = true;
	
	if (messages[num][2])	var curBgColor = messages[num][2];
	else curBgColor = tipBgColor;
	if (messages[num][3])	var curFontColor = messages[num][3];
	else curFontColor = tipFontColor;
	if (ie4||ie5||ns5) {
		var tip = startStr + messages[num][0] + midStr + '<span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + curFontColor + ';">' + messages[num][1] + '</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;
}

document.write('<div id="tipDiv" style="position:absolute; visibility:hidden; z-index:100"></div>')