var cursor={x:0,y:0},isNN=document.layers?true:false,isIE=document.all?true:false;isNN&&document.captureEvents(Event.MOUSEMOVE);document.onmousemove=getPosition;function showPreview(b){var a=document.getElementById("iPreview");if(a.style.visibility!="visible"){a.src=b;if(isIE){a.style.pixelTop=cursor.y-a.style.pixelHeight/2;a.style.pixelLeft=cursor.x+20}else{a.style.top=cursor.y-a.clientHeight/2+"px";a.style.left=cursor.x+20+"px"}a.style.visibility="visible"}}
function getPosition(b){b=b||window.event;if(b.pageX||b.pageY){cursor.x=b.pageX;cursor.y=b.pageY}else{var a=document.documentElement,c=document.body;cursor.x=b.clientX+(a.scrollLeft||c.scrollLeft)-(a.clientLeft||0);cursor.y=b.clientY+(a.scrollTop||c.scrollTop)-(a.clientTop||0)}return cursor};