function MM_swapImgRestore() { //v3.0当鼠移开，将原来的图片显示出来
  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当鼠激活目标时，保存原来图象的象素
  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 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 checkuserlogin(){
if(document.myform.login_username.value==""){
  alert("请输入用户名!");
    document.myform.login_username.focus();
    return false; 
}
if(document.myform.login_password.value==""){
  alert("请输入密码!");
    document.myform.login_password.focus();
    return false; 
}
if(document.myform.reg_checkcode.value==""){
  alert("请输入验证码!");
    document.myform.reg_checkcode.focus();
    return false; 
}
}
function showmenu1(theid,iconID)
{
if(theid.style.display =='none')
{
	theid.style.display = "";
	iconID.src="user/menu_1_.gif";
}
else{
	theid.style.display = "none";
	iconID.src="user/menu_1_.gif";
}
}
function showmenu2(theid,iconID)
{
if(theid.style.display =='none')
{
	theid.style.display = "";
	iconID.src="user/menu_2_.gif";
}
else{
	theid.style.display = "none";
	iconID.src="user/menu_2_.gif";
}
}
function showmenu3(theid,iconID)
{
if(theid.style.display =='none')
{
	theid.style.display = "";
	iconID.src="user/menu_3_.gif";
}
else{
	theid.style.display = "none";
	iconID.src="user/menu_3_.gif";
}
}
function showmenu4(theid,iconID)
{
if(theid.style.display =='none')
{
	theid.style.display = "";
	iconID.src="user/menu_4_.gif";
}
else{
	theid.style.display = "none";
	iconID.src="user/menu_4_.gif";
}
}
function showmenu5(theid,iconID)
{
if(theid.style.display =='none')
{
	theid.style.display = "";
	iconID.src="user/menu_5_.gif";
}
else{
	theid.style.display = "none";
	iconID.src="user/menu_5_.gif";
}
}
function showmenu6(theid,iconID)
{
if(theid.style.display =='none')
{
	theid.style.display = "";
	iconID.src="user/menu_6_.gif";
}
else{
	theid.style.display = "none";
	iconID.src="user/menu_6_.gif";
}
}
function showmenu7(theid,iconID)
{
if(theid.style.display =='none')
{
	theid.style.display = "";
	iconID.src="user/menu_7_.gif";
}
else{
	theid.style.display = "none";
	iconID.src="user/menu_7_.gif";
}
}
function showmenu8(theid,iconID)
{
if(theid.style.display =='none')
{
	theid.style.display = "";
	iconID.src="user/menu_8_.gif";
}
else{
	theid.style.display = "none";
	iconID.src="user/menu_8_.gif";
}
}
function showmenu9(theid,iconID)
{
if(theid.style.display =='none')
{
	theid.style.display = "";
	iconID.src="user/menu_9_.gif";
}
else{
	theid.style.display = "none";
	iconID.src="user/menu_9_.gif";
}
}
function showmenu10(theid,iconID)
{
if(theid.style.display =='none')
{
	theid.style.display = "";
	iconID.src="user/menu_10_.gif";
}
else{
	theid.style.display = "none";
	iconID.src="user/menu_10_.gif";
}
}
function showmenu11(theid,iconID)
{
if(theid.style.display =='none')
{
	theid.style.display = "";
	iconID.src="user/menu_11_.gif";
}
else{
	theid.style.display = "none";
	iconID.src="user/menu_11_.gif";
}
}
function showmenu21(theid,iconID)
{
if(theid.style.display =='none')
{
	theid.style.display = "";
	iconID.src="user/menu_21_.gif";
}
else{
	theid.style.display = "none";
	iconID.src="user/menu_21_.gif";
}
}
function showmenu22(theid,iconID)
{
if(theid.style.display =='none')
{
	theid.style.display = "";
	iconID.src="user/menu_22_.gif";
}
else{
	theid.style.display = "none";
	iconID.src="user/menu_22_.gif";
}
}
function showmenu23(theid,iconID)
{
if(theid.style.display =='none')
{
	theid.style.display = "";
	iconID.src="user/menu_23_.gif";
}
else{
	theid.style.display = "none";
	iconID.src="user/menu_23_.gif";
}
}
function showmenu24(theid,iconID)
{
if(theid.style.display =='none')
{
	theid.style.display = "";
	iconID.src="user/menu_24_.gif";
}
else{
	theid.style.display = "none";
	iconID.src="user/menu_24_.gif";
}
}
function showmenu25(theid,iconID)
{
if(theid.style.display =='none')
{
	theid.style.display = "";
	iconID.src="user/menu_25_.gif";
}
else{
	theid.style.display = "none";
	iconID.src="user/menu_25_.gif";
}
}
function showmenu26(theid,iconID)
{
if(theid.style.display =='none')
{
	theid.style.display = "";
	iconID.src="user/menu_26_.gif";
}
else{
	theid.style.display = "none";
	iconID.src="user/menu_26_.gif";
}
}
function checkproductdel()
{c=window.confirm("确认删除这条产品信息吗?");
if(c==true)return true;
else return false;
}
function checksmallpicdel()
{c=window.confirm("确认删除该产品缩略图吗?");
if(c==true)return true;
else return false;
}
function checkbigpicdel()
{c=window.confirm("确认删除该产品效果图吗?");
if(c==true)return true;
else return false;
}
function checkparameterdel()
{c=window.confirm("确认删除这篇风机参数吗?");
if(c==true)return true;
else return false;
}
function checkfanshowdel()
{c=window.confirm("确认删除这篇会展信息吗?");
if(c==true)return true;
else return false;
}
function checkitemdel()
{c=window.confirm("确认删除这篇招标项目吗?");
if(c==true)return true;
else return false;
}
function checkbusinessdel()
{c=window.confirm("确认删除这条供求商机吗?");
if(c==true)return true;
else return false;
}
function checkfanpricedel()
{c=window.confirm("确认删除这条产品报价信息吗?");
if(c==true)return true;
else return false;
}
function checkfansoftdel()
{c=window.confirm("确认删除这条风机软件信息吗?");
if(c==true)return true;
else return false;
}
function checkmessagedel()
{c=window.confirm("确认删除这条留言吗?");
if(c==true)return true;
else return false;
}
function checkcdel()
{c=window.confirm("确认删除这条收藏信息吗?");
if(c==true)return true;
else return false;
}
function change_reload_main(){ parent.main.window.location.href=parent.main.window.location; }
function showsonsort(tbnum){whichEl = eval("tbtype" + tbnum);if (whichEl.style.display == "none"){eval("tbtype" + tbnum + ".style.display=\"\";");}else{eval("tbtype" + tbnum + ".style.display=\"none\";");}}