function xClientHeight()
{var v=0,d=document,w=window;if((!d.compatMode||d.compatMode=='CSS1Compat')&&!w.opera&&d.documentElement&&d.documentElement.clientHeight)
{v=d.documentElement.clientHeight;}
else if(d.body&&d.body.clientHeight)
{v=d.body.clientHeight;}
else if(xDef(w.innerWidth,w.innerHeight,d.width)){v=w.innerHeight;if(d.width>w.innerWidth)v-=16;}
return v;}