// JavaScript Document
function CheckBook(form){
	if(form.uname.value==''){alert('您的姓名还没填写！');form.uname.focus();return false;}
	//if(myform.title.value==''){alert('留言标题还没填写！');myform.title.focus();return false;}
	//if(myform.tel.value==''){alert('请填写联系电话！只有管理员才能看见您的联系电话，请放心。');myform.tel.focus();return false;}
	if(form.content.value==''){alert('内容不能为空！');form.content.focus();return false;}
	if(form.content.value.length<2||form.content.value.length>500){alert('内容长度不能太长也不能太短！');form.content.focus();return false;}
	if(form.inputcode.value==''){alert('请填写系统验证码！');form.inputcode.focus();return false;}
	}
function CheckSec(){
	if(Search.Keyword.value==""||Search.Keyword.value=="请输入关键字"){
		alert("请输入关键字！");
		Search.Keyword.focus();
		return false;
		}
	}
function CheckReg1(){
if(myform1.uname.value==""){alert("用户名不能为空!!");myform1.uname.focus();return false;}
if(myform1.pwd.value==""){alert("登陆密码不能为空!!");myform1.pwd.focus();return false;}
if(myform1.pwd2.value==""){alert("请确认一次密码!!");myform1.pwd2.focus();return false;}
if(myform1.pwd.value!=myform1.pwd2.value){alert("两次密码不一致!!请确认！");myform1.pwd.focus();return false;}
if(myform1.codes.value==""){alert("系统验证码不能为空!!");myform1.codes.focus();return false;}
myform1.submit();
} 


function CheckInfo(){
if(myform.matename.value==""){alert("所在班级不能为空!!");myform.matename.focus();return false;}
if(myform.tname.value==""){alert("您的真实姓名不能为空!!");myform.tname.focus();return false;}
if(myform.content.value==""){alert("请填写一点简历让其它校友更好的了解您!!");myform.content.focus();return false;}
if(myform.content.value.length>660){alert('简历长度不能太长了，已经超过660个字符了！');myform.content.focus();return false;}
myform.submit();
} 


function CheckLogin(form){
if(form.UserName.value==""){alert("用户名不能为空!!");form.UserName.focus();return false;}
if(form.Password.value==""){alert("登陆密码不能为空!!");form.Password.focus();return false;}
//if(myform.codes.value==""){alert("系统随机验证码不能为空!!");myform.codes.focus();return false;}
//myform.submit();
} 

function addFav(){
 window.external.AddFavorite(location.href,document.title);
}


function CheckProForm(obj){
  for(var i=0;i<obj.elements.length;i++){
    if(obj.elements[i].checked!="true")
	{
	  break;
	  alert("请选择一个产品后再定购！");
	}
  }
}

function CheckAll(form){
  for (var i=0;i<form.elements.length;i++)
    {
    var e = form.elements[i];
    if (e.Name != "chkAll")
       e.checked = form.chkAll.checked;
    }
  }
  

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


function ShowDialog(url,w,h,isBar) {//打开非模态居中窗口
  var  iWidth=w; //窗口宽度
  var  iHeight=h;//窗口高度
  var  iTop=0
  var  iTop=(window.screen.height-iHeight)/2;
  var  iLeft=(window.screen.width-iWidth)/2;
  window.open(url,"Detail","Scrollbars="+ isBar +",Toolbar=no,Location=no,Direction=no,Resizeable=no,Width="+iWidth+" ,Height="+iHeight+",top="+iTop+",left="+iLeft) 
} 

function checkUserID(name){
	ShowDialog("R_Check.asp?UserName="+name,"316","120","no")
	}
function GetPass(){
	ShowDialog("getpwd.asp","250","120","no")
	}	

function ReSizeImg(Img,width,height)
{ 
    var image=new Image(); 
    image.src=Img.src; 
    //width=236;//预先设置的所期望的宽的值
    //height=170;//预先设置的所期望的高的值
    if(image.width>width||image.height>height)    //现有图片只有宽或高超了预设值就进行js控制
    {
        w=image.width/width;
        h=image.height/height;		
        if(w>h)
        {
            //比值比较大==>宽比高大
            //定下宽度为width的宽度
            Img.width=width;
            //以下为计算高度
            Img.height=image.height/w;			
        }
        else
        {
            //高比宽大
            //定下宽度为height高度
            Img.height=height;
            //以下为计算高度
            Img.width=image.width/h;			
        }		
    }
} 

function show(n)
{
 switch(n)
 {
  case 11:document.getElementById("content1").style.display="none";
  break;
  case 1:document.getElementById("content1").style.display="list-item";
  break;
  case 22:document.getElementById("content2").style.display="none";
  break;
  case 2:document.getElementById("content2").style.display="list-item";
  break;
  case 33:document.getElementById("content3").style.display="none";
  break;
  case 3:document.getElementById("content3").style.display="list-item";
  break;
  case 44:document.getElementById("content4").style.display="none";
  break;
  case 4:document.getElementById("content4").style.display="list-item";
  break;
  case 55:document.getElementById("content5").style.display="none";
  break;
  case 5:document.getElementById("content5").style.display="list-item";
  break; 
  case 66:document.getElementById("content6").style.display="none";
  break;
  case 6:document.getElementById("content6").style.display="list-item";
  break;
  case 77:document.getElementById("content7").style.display="none";
  break;
  case 7:document.getElementById("content7").style.display="list-item";
  break;  
  case 99:document.getElementById("content9").style.display="none";
  break;
  case 9:document.getElementById("content9").style.display="list-item";
  break;    
 }
}