//双击鼠标滚动屏幕的代码
var currentpos,timer;
function initialize()
{
timer=setInterval ("scrollwindow ()",50);
}
function sc()
{
clearInterval(timer);
}
function scrollwindow()
{
currentpos=document.body.scrollTop;
window.scroll(0,++currentpos);
if (currentpos !=document.body.scrollTop)
sc();
}
document.onmousedown=sc;
document.ondblclick=initialize;

function fontsize(size){
document.getElementById('content').style.fontSize=size+'px';
}

//不需要CTRL
function bbimg(o){
var zoom = parseInt(o.style.zoom, 10) || 100;
zoom -= event.wheelDelta / 12;
if(zoom > 0) {
o.style.zoom = zoom + '%';
}
return false;

}

/*--需要CTRL
function bbimg1(o){
if(event.ctrlKey) {
var zoom = parseInt(o.style.zoom, 10) || 100;
zoom -= event.wheelDelta / 12;
if(zoom > 0) {
o.style.zoom = zoom + '%';
}
return false;
} else {
return true;
}
}
--*/

function openwindow(P_Url,P_Name,width,height,Top,left)
{
window.open(P_Url,P_Name,"toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=" + width + ",height=" + height + ",top=" + top + ",left=" + left + "");
}