// 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 popUp(evt,oi){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;if(st=="visible"||st=="show"){ds.visibility="hidden";}else{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";}}}