1.客户区：指的是当前窗口
2.如果页面使用母版页得到的X，Y轴坐标和不使用母版页得到的X，Y轴坐标不相同
varhovertipMouseX;
varhovertipMouseY;
functionhovertipMouseUpdate(e)
{
varmouse=hovertipMouseXY(e);
hovertipMouseX=mouse[0];
hovertipMouseY=mouse[1];
}
functionhovertipMouseXY(e)
{
if(!e)
{
if(window.event)
{
//InternetExplorer
e=window.event;
}
else
{
//totalfailure,wehavenowayofreferencingtheevent
return;
}
}
if(typeof(e.pageX)=='number')
{
//mostbrowsers
varxcoord=e.pageX;
varycoord=e.pageY;
}
elseif(typeof(e.clientX)=='number')
{
//InternetExplorerandolderbrowsers
//otherbrowsersprovidethis,butfollowthepageX/Ybranch
varxcoord=e.clientX;
varycoord=e.clientY;
}
varbadOldBrowser=(window.navigator.userAgent.indexOf('Opera')+1)||
(window.ScriptEngine&&ScriptEngine().indexOf('InScript')+1)||
(navigator.vendor=='KDE');
if(!badOldBrowser)
{
if(document.body&&(document.body.scrollLeft||document.body.scrollTop))
{
//IE4,5&6(innon-standardscompliantmode)
xcoord+=document.body.scrollLeft;
ycoord+=document.body.scrollTop;
}
elseif(document.documentElement&&(document.documentElement.scrollLeft||document.documentElement.scrollTop))
{
//IE6(instandardscompliantmode)
xcoord+=document.documentElement.scrollLeft;
ycoord+=document.documentElement.scrollTop;
}
}
else
{
//totalfailure,wehavenowayofobtainingthemousecoordinates
return;
}
return[xcoord,ycoord];
}
