// JavaScript Document 首区菜单

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];}
}

//search
function showLayer(layerNum)
{
	document.all.pro1.style.display="none";
	document.all.pro2.style.display="none";
	document.all.pro3.style.display="none";

	document.all.proImg1.src="/images/06/pro_mn01_off.gif";
	document.all.proImg2.src="/images/06/pro_mn02_off.gif";
	document.all.proImg3.src="/images/06/pro_mn03_off.gif";

	pros=eval("document.all.pro"+layerNum);
	proImg=eval("document.all.proImg"+layerNum);
	pros.style.display="";
	proImg.src="/images/06/pro_mn0"+layerNum+"_on.gif"
}
//search keywrod
function set_action(formname) {
  
  if (formname=="searchform1"){
    var str = Trim(document.searchform1.keyword.value);
	if (str.length<2)
	{
		 alert("Minimum Two Words !");
		 document.searchform1.keyword.focus;
		 return false;
	}
  }else if (formname=="searchform2"){
    var str = Trim(document.searchform2.keyword.value);
	if (str.length<2)
	{
		 alert("Minimum Two Words !");
		 document.searchform2.keyword.focus;
		 return false;
	}
  }else if (formname=="searchform3"){
    var str = Trim(document.searchform3.keyword.value);
	if (str.length<2)
	{
		 alert("Minimum Two Words !");
		 document.searchform3.keyword.focus;
		 return false;
	}
  }	
	return true;
}


function check_email (email) { 
	invalid = ""; 
	
	if ( (email.indexOf("@") == -1) || (email.indexOf(".") == -1) ) 
	invalid += "\n\nEmail地址不合法。应当包含'@'和'.'；例如('.com')。请检查后再递交。"; 
	
	if (email.indexOf("your email here") > -1) 
	invalid += "\n\nEmail地址不合法，请检测您的Email地址，在域名内应当包含'@'和'.'；例如('.com')。"; 
	
	if (email.indexOf("\\") > -1) 
	invalid += "\n\nEmail地址不合法，含有非法字符(\\)。"; 
	
	if (email.indexOf("/") > -1) 
	invalid += "\n\nEmail地址不合法，含有非法字符(/)。"; 
	
	if (email.indexOf("'") > -1) 
	invalid += "\n\nEmail地址不合法，含有非法字符(')。"; 
	
	if (email.indexOf("!") > -1) 
	invalid += "\n\nEmail地址不合法，含有非法字符(!)。"; 
	
	if ( (email.indexOf(",") > -1) || (email.indexOf(";") > -1) ) 
	invalid += "\n\n只输入一个Email地址，不要含有分号和逗号。"; 
	
	if (email.indexOf("?subject") > -1) 
	invalid += "\n\n不要加入'?subject=...'。"; 

	if (invalid == "") { 
		return true; 
	} else {
		return false; 
	} 
}

//
function Ltrim(str) {
        var pattern = new RegExp("^[\\s]+","gi");
        return str.replace(pattern,"");
}
function Rtrim(str) {
        var pattern = new RegExp("[\\s]+$","gi");
        return str.replace(pattern,"");
}
function Trim(str) {
        return Rtrim(Ltrim(str));
}