function changepic(objects,picname){
return objects.src=picname;
}
function CheckLogin(theForm){
var AdminName = theForm.AdminName.value;
if(AdminName == ""){
alert("请输入用户名!");
theForm.AdminName.focus();
return (false);
}
var PassWord = theForm.PassWord.value;
if(PassWord ==""){
alert("请输入密码!");
theForm.PassWord.focus();
return (false);
}
}
function killErrors() {
return true;
}
window.onerror = killErrors;
function PicFixSize(widths,heights,photosrc,position){
var breakpoint = 50;
var i = 0;
var photowidth = 0;
var photoheight = 0;
var photo = new Image();
if (position=="")
{
position = "left"
}
while(photowidth == 0 || photoheight == 0){
photo.src = photosrc;
photowidth = photo.width;
photoheight = photo.height;
i++;
if (i == breakpoint){
break;
}
}
if(photowidth > widths || photoheight > heights){
if(photowidth > widths && photoheight > heights){
height = heights;
width = (photowidth * height) / photoheight;
if(width > widths){
var tmpwidth = width;
width = widths;
height = (height * width) / tmpwidth;
}
}
if(photowidth > widths && photoheight <= heights){
width = widths;
height = (photoheight * width) / photowidth;
}
if(photowidth <= widths && photoheight > heights){
height =heights;
width = (photowidth * height) / photoheight;
}
}
else{
width = photowidth;
height = photoheight;
}
if (width < 10 || height < 10){
width = widths;
height = heights;
}
return('
')
}
function NewImg(imgurl) {
newwin=window.open('about:blank','','top=10');
newwin.document.write('
');
}
function OpenWindow(htmurl,widths,heights)
{
var paramet = 'toolbar=no,resizable=no,scrollbars=no,width='+ widths + ',height=' + heights;
newWindow = window.open(htmurl,"newWin",paramet);
newWindow.focus();
}
function onlynumber(){
if (!((event.keyCode>47 && event.keyCode<58)))
event.keyCode=0;
}
//图片等比缩放
function DrawImage(ImgD,w,h){
var image=new Image();
image.src=ImgD.src;
if(image.width>0 && image.height>0){
if(image.width/image.height>= w/h){
if(image.width>w){
ImgD.width=w;
ImgD.height=(image.height*h)/image.width;
}else{
ImgD.width=image.width;
ImgD.height=image.height;
}
}
else{
if(image.height>h){
ImgD.height=h;
ImgD.width=(image.width*h)/image.height;
}else{
ImgD.width=image.width;
ImgD.height=image.height;
}
}
}
}