//图片按比例缩放
var flag=false;
function DrawImage(ImgD,w,h){
var image=new Image();
var iwidth = w; //定义允许图片宽度
var iheight = h; //定义允许图片高度
image.src=ImgD.src;
if(image.width>0 && image.height>0)
{
flag=true;
if(image.width/image.height>= iwidth/iheight)
{
if(image.width>iwidth)
{
ImgD.width=iwidth;
ImgD.height=(image.height*iwidth)/image.width;
}
else
{
ImgD.width=image.width;
ImgD.height=image.height;
}
//ImgD.alt=image.width+"×"+image.height;
}
else
{
if(image.height>iheight)
{
ImgD.height=iheight;
ImgD.width=(image.width*iheight)/image.height;
}
else
{
ImgD.width=image.width;
ImgD.height=image.height;
}
//ImgD.alt=image.width+"×"+image.height;
}
//ImgD.style.marginTop=(h-ImgD.height)/2+1;
}
}
/*
*/
function open_Dialog()
{
var title="咨询";
var url="Link.htm";
var Width="400";
var Height="245";
var return_Value;
if (document.all&&window.print)
{
return_Value = window.showModalDialog(url,window,"dialogWidth:" + Width + "px;dialogHeight:" + Height + "px;center:yes;status:no;scroll:no;help:no;");
//alert(return_Value);
}
else
{
window.open(url,"","width=" + Width + "px,height=" + Height + "px,resizable=1,scrollbars=1");
}
}
function open_bookDialog(prodid)
{
window.open("book.aspx?prodid="+prodid,"","","");
//var title="订购";
//var url="book.aspx?prodid="+prodid;
//var width="520";
//var height="350";
//window.showModalDialog(url,window,"dialogWidth:"+width+"px;dialogHeight:"+height+"px; center:yes;status:no;scroll:no;help:no;");
}
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////baidu
////
////当head中没有 <base target="_self"> 标记时，连接和表单中的 target="" 属性不管用，都是打开新窗口。
////当head中存在 <base target="_self"> 标记时，连接和表单中有 target="" 属性不管值是什莫一概新弹出窗
口，
////连接和表单中没有 target="" 属性时则在原窗口打开新页面。
////
////