function resizeImg( ImgD //图片对像
,image_width //图片最大宽度
,image_height //图片最大高度
){
//等比例限定图片大小
var flag=false;
var image=new Image();
image.src=ImgD.src;
if(image.width>0 && image.height>0){
flag=true;
if(image.width/image.height>= image_width/image_height){
if(image.width>image_width){
ImgD.width=image_width;
ImgD.height=(image.height*image_width)/image.width;
}else{
ImgD.width=image.width;
ImgD.height=image.height;
}
}
else{
if(image.height>image_height){
ImgD.height=image_height;
ImgD.width=(image.width*image_height)/image.height;
}else{
ImgD.width=image.width;
ImgD.height=image.height;
}
}
}
}
function winOpen( src //窗口内容地址
,width //宽度
,height //高度
,s //是否允许滚动条
){
//弹出窗口并自动居中显示
s = (s)?',resizable=1,scrollbars=yes':'';
aa=window.open(src,'_blank','width='+width+','+'height='+height+s);
b=screen.width;
c=screen.height;
b=(b-width)/2;
c=(c-height)/2;
aa.moveTo(b,c);
}
function loadMedia(showArea, iurl){
outBox = document.getElementById(showArea);
ext = iurl.substr(iurl.lastIndexOf('.'), iurl.length);
maxW = parseInt(outBox.style.width);
maxH = parseInt(outBox.style.height);
if('.swf' == ext){
output = '';
}else{
var img = new Image();
img.src = iurl;
output = '
'
}
return output;
}