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_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_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 ScrollImgLeft(){
var speed=20
var scroll_begin = document.getElementById("scroll_begin");
var scroll_end = document.getElementById("scroll_end");
var scroll_div = document.getElementById("scroll_div");
scroll_end.innerHTML=scroll_begin.innerHTML
  function Marquee(){
    if(scroll_end.offsetWidth-scroll_div.scrollLeft<=0)
      scroll_div.scrollLeft-=scroll_begin.offsetWidth
    else
      scroll_div.scrollLeft++
  }
var MyMar=setInterval(Marquee,speed)
  scroll_div.onmouseover=function() {clearInterval(MyMar)}
  scroll_div.onmouseout=function() {MyMar=setInterval(Marquee,speed)}
}


function LQkillab_e(obj)
{
    var reg=/'+|"+/;	
	if(reg.test(obj.value)){
		alert("connect can not \" or \' ");
		obj.select();
		}
	if(obj.value=="") obj.value="Keyword";	
}

function LQkillab_e1(obj)
{
  if(obj.value=="Keyword") obj.value="";
}



function LQkillab_c(obj)
{
    var reg=/'+|"+/;	
	if(reg.test(obj.value)){
		alert("不能输入 \" 或 \' ");
		obj.select();
		}
}

function F_Submit()
{
	
 var lcKeyWord=document.getElementById("F_KeyWord").value;
 var lnId=document.getElementById("F_lnHiddId").value;
 if(lcKeyWord==""){
  if(lnId==""){	 
   location.href="products.php";
  }else{
   location.href="products.php?tnid="+lnId; 
  }
 }else{
  if(lnId==""){	 
   location.href="products.php?tcKeyWord="+lcKeyWord;
  }else{
   location.href="products.php?tnid="+lnId+"&tcKeyWord="+lcKeyWord;
  }
 }
}

var flag=false;
function DrawImage(ImgD,lcw,lnh){
   var image=new Image();
   image.src=ImgD.src;
   if(image.width>0 && image.height>0){
    flag=true;
    if(image.width /image.height>= lcw/lnh){ 
     if(image.width>lcw){  
     ImgD.width=lcw; //限制图片的宽度最宽为
     ImgD.height=(image.height*lcw)/image.width;
     }else{
     ImgD.width=image.width;
     ImgD.height=image.height;
     }
     ImgD.alt="点击图片返回";
     }
    else{
     if(image.height>lnh){
     ImgD.height=lnh;  //限制图片的高度最高为
     ImgD.width=(image.width*lnh)/image.height;
     }else{
     ImgD.width=image.width;
     ImgD.height=image.height;
     }
     ImgD.alt="点击图片返回";
     }
    }
}

//**************检测整型数值***************************************
//obj：检测控件,canNull：是否允许为空
function chkInt(obj,canNull)
{ var objvalue=obj.value;
  if (objvalue=="")
  { 
     if(!canNull)obj.value=0;
	 return true;
  }
  value=parseInt(objvalue);
    if (isNaN(value))
    {alert("please input Number！");
	 obj.focus();
	 obj.select();
	 return false;
	 }
  if (value<0)
     {alert("please input Number！");	  
	  obj.focus();
	  obj.select();
	 return false;
	 }
  obj.value=value;
  return true;
}