// JavaScript Document



function changeImgSize_t(mypic) { 
var xw=180; 
var xl=130; 
var width = mypic.width; 
var height = mypic.height; 
var bili = width/height; 

var A=xw/width; 
var B=xl/height; 

if(!(A>1&&B>1)) 
{ 
    if(A<=B) 
    {
        mypic.width = xw; 
        mypic.height=xw/bili; 
    } 
    if(A>B) 
    {
        mypic.width = xl * bili; 
        mypic.height=xl; 
    } 
} 
}


function userpic_all(mypic) {
    var xw = 100;
    var xl = 100;

    var width = mypic.width;
    var height = mypic.height;
    var bili = width / height;

    var A = xw / width;
    var B = xl / height;

    if (!(A > 1 && B > 1)) {
        if (A <= B) {
            mypic.width = xw;
            mypic.height = xw / bili;
        }
        if (A > B) {
            mypic.width = xl * bili;
            mypic.height = xl;
        }
    }
}

//ͼƬ°´±ÈÀý¼ÓÔØ
function DownImageWidth(ImgD, MaxWidth, MaxHeight, alignX, alignY) {
    alignX = alignX || 1;
    alignY = alignY || 1;
    var image = new Image();
    image.src = ImgD.src;
    if (image.width > 0 && image.height > 0) {
        var rate = MaxWidth / image.width;
        var rate2 = MaxHeight / image.height;
        var rate3 = image.width / image.height;
        var wid = 0;
        var hid = 0;
        if (rate <= rate2) {
            wid = ImgD.width = MaxWidth
            hid = ImgD.height = MaxWidth / rate3;
        }
        else {
            wid = ImgD.width = MaxHeight * rate3;
            hid = ImgD.height = MaxHeight;
        }
    }
}