function menuIn() //²Ëµ¥Òþ²Ø
{
        if(n4) {
                clearTimeout(out_ID)
                if( menu.top > menuH*-1+15+10 ) {  
                        menu.top -= 4
                        in_ID = setTimeout("menuIn()", 1)
                }
                else if( menu.top > menuH*-1+15 ) {
                        menu.top--
                        in_ID = setTimeout("menuIn()", 1)
                }
        }
        else { 
                clearTimeout(out_ID)
                if( menu.pixelTop > menuH*-1+15+10 ) {
                        menu.pixelTop -= 4
                        in_ID = setTimeout("menuIn()", 1) 
                }
                else if( menu.pixelTop > menuH*-1+15 ) {
                        menu.pixelTop--
                        in_ID = setTimeout("menuIn()", 1)
                }
        }
}
function menuOut() //²Ëµ¥ÏÔʾ
{
        if(n4) {
                clearTimeout(in_ID)
                if( menu.top < -5) { 
                        menu.top += 4
                        out_ID = setTimeout("menuOut()", 1)
                }
                else if( menu.top < 0) { 
                        menu.top++
                        out_ID = setTimeout("menuOut()", 1)
                }
                
        }
        else { 
                clearTimeout(in_ID)
                if( menu.pixelTop < -5) {
                        menu.pixelTop += 2
                        out_ID = setTimeout("menuOut()", 1)
                }
                else if( menu.pixelTop < 0 ) {
                        menu.pixelTop++
                        out_ID = setTimeout("menuOut()", 1)
                }
        }
}
function fireOver() { 
        clearTimeout(F_out)	       
        F_over = setTimeout("menuOut()", 5) 
}
function fireOut() { 
        clearTimeout(F_over)
         F_out = setTimeout("menuIn()", 5)
}
function init() {
        if(n4) {
                menu = document.D1
                menuH = menu.document.height
                menu.top = menu.document.height*-1+15 
                menu.onmouseover = menuOut
                menu.onmouseout = menuIn
		menu.visibility = "visible"
        }
        else if(e4) {
                menu = D1.style
                menuH = D1.offsetHeight
                D1.style.pixelTop = D1.offsetHeight*-1+15
                D1.onmouseover = fireOver
                D1.onmouseout = fireOut
                D1.style.visibility = "visible"
        }
}
F_over=F_out=in_ID=out_ID=null
n4 = (document.layers)?1:0
e4 = (document.all)?1:0;