//parameter info

// chkName = the name of the chekboxes list without 1,2,3,... numbers

// frmName = html form name 

// chkTotal = no of checkboxes to look for
function searchBarBeforeSubmit(SearchForm){
	if(trim(SearchForm.searchText.value)==''){
		alert('Please input a search term.');
		return false;
	}
	return true;
}
function select_all( chkName , frmName , chkTotal )

{

	var frm=document.forms[frmName];

	for(var i=0;i<frm.elements.length;i++)

	{

		var e =frm.elements[i];

		if ((e.name != 'check_all') && (e.type=='checkbox'))

		{

			e.checked =frm.check_all.checked;

		}

	}

}



function checkAll(chkName,frmName,chkTotal )

{

	var frm = document.forms[frmName];

	var i = 0;

	for (i=1 ; i<=frm.elements.length; i++)

	{

		var o = frm.elements[chkName + i.toString()];

		if (o) o.checked = true;

	}

	return false;

}



function clearAll( chkName , frmName , chkTotal )

{

	var frm = document.forms[frmName];

	var i = 0;

	for (i=1 ; i<=frm.elements.length; i++)

	{

		var o = frm.elements[chkName + i.toString()];

		if (o) o.checked = false;

	}

	return false;

}



//additional err_msg + same parameters list as the above functions checkAll and clearAll 

//err_msg will be displayed if not checkbox is not selected

function is_checked(chkName , frmName , chkTotal, err_msg)

{

	var frm = document.forms[frmName];

	var i = 0;

	for (i=1 ; i<=chkTotal ; i++)

	{

		var o = frm.elements[chkName + i.toString()];

		if(o && o.checked)

			return true;

	}

	alert(err_msg); 

	return false;

}



function get_cookie(Name) 

{

	var Name = Name + "=";

	var ca = document.cookie.split(';');

	for(var i=0;i < ca.length;i++) 

	{

		var c = ca[i];

		while (c.charAt(0)==' ') c = c.substring(1,c.length);

		if (c.indexOf(Name) == 0) return unescape(c.substring(Name.length,c.length));

	}

	return "";

}



function checkByteLength(str,minlen,maxlen) {

	if (str == null) return false;

	var l = str.length;

	var blen = 0;

	for(i=0; i<l; i++) {

		if ((str.charCodeAt(i) & 0xff00) != 0) {

			blen ++;

		}

		blen ++;

	}

	if (blen > maxlen || blen < minlen) {

		

		return false;

	}

	return true;

}



function validateNotEmpty(obj) {

    var str = obj.value;

	if(str!=null && str.length>0){

		return 0;

	}

	return 1;

}



function isEmptyField(aTextField) {

   if ((aTextField.value==null)||(aTextField.value.replace(/(^\s*)|(\s*$)/g, "").length==0)) {

      return true;

   } else { 

      return false; 

   }

}



function validateEmail(obj){

	var str = obj.value;

	var patn = /^[_a-zA-Z0-9\-]+(\.[_a-zA-Z0-9\-]*)*@[a-zA-Z0-9\-]+([\.][a-zA-Z0-9\-]+)+$/;

	if(patn.test(str)){

    	return 0;

	}else{

	    return 1; //incorrect format

	}

}

function isNumber(str) {

	var patn = new RegExp("^\\d{1,15}$"); 

	if (patn.test(str)) {

		return true;

	} else {

		return false; 	

	}

}



function checkchi(myint) {

	var checkStr = myint;

	var allValid = true;

	var len=checkStr.length;

	for (i = 0;  i <len ;  i++)

	{

		ch = checkStr.charCodeAt(i);			

		if (ch > 127 && !isOkChar(ch))

		{      

			allValid = false;

			break;

		}

	}

	if (!allValid)

	{

		return (false);

	}

	return (true);

}



function isOkChar(ch){

	var checkOk = new Array();

	checkOk[0] = "12288";

	checkOk[1] = "8364";

	for (j = 0;  j < checkOk.length;  j++)

   	if (ch == checkOk[j]){

       return true;

    }

    return false;

}	



function validateSelectValue(obj){

	var str = obj.value;		

	if(str.trim().length >0) return 0;

		return 1; 	

}



function open_window(url, width, height)

{

	var sw = window.open(url,"subWnd","Toolbar=1,menubar=0,scrollbars=1,resizable=1,width="+width+",height="+height+",top=100,left=200");

	if (!sw)

	{

		alert("Popup Blocker Detected!\n\nPlease disable your popup blocker software or allow popups on this page.");

	}

	else

	{

		sw.focus();

	}

	return false;

}



function open_window_full(url, width, height)

{

	var sw = window.open(url,"subWnd","Toolbar=0,menubar=0,scrollbars=0,resizable=1,width="+width+",height="+height+",top=0,left=0");

	if (!sw)

	{

		alert("Popup Blocker Detected!\n\nPlease disable your popup blocker software or allow popups on this page.");

	}

	else

	{

		sw.focus();

	}

	return false;

}



//Dont change window name 'subWnd', its being used on some other pages

function open_window_scroll(url, width, height)

{

	var sw=window.open(url,"subWnd","Toolbar=1,menubar=0,scrollbars=1,resizable=1,width="+width+",height="+height+",top=75,left=150");

	if (!sw)

	{

		alert("Popup Blocker Detected!\n\nPlease disable your popup blocker software or allow popups on this page.");

	}

	else

	{

		sw.focus();

	}

	return false;

}



function TextArea_Keypress( txtName , spnName )

{

	if (document.getElementById(txtName).value.length >= parseInt(document.getElementById(txtName).attributes['MaxChars'].value))

		return false;

}



function TextArea_Keyup( txtName , spnName )

{

	if (document.getElementById(txtName).value.length >= parseInt(document.getElementById(txtName).attributes['MaxChars'].value))

	{

		document.getElementById(txtName).value = document.getElementById(txtName).value.substr(0, parseInt(document.getElementById(txtName).attributes['MaxChars'].value)-1);

	}

	//document.getElementById(spnName).innerHTML = (parseInt(document.getElementById(txtName).attributes['MaxChars'].value)-parseInt(document.getElementById(txtName).value.length));

	document.getElementById(spnName).innerHTML = (parseInt(document.getElementById(txtName).value.length));

}



function trim(str)

{

	str = str.replace(/^\s*|\s*$/g,"");

	return str;

}



function loadwin(url)

{

	var left, top;

	var width = screen.width;

	// Resize the screen depending on the users display

	if(screen.width >= 1280 && screen.height >= 1024)

	{

		wdh = 850;

		hgt = 750;

	}

	else if(screen.width > 1024 && screen.height > 768)

	{

		wdh = 850;

		hgt = 700;

	}

	else if(screen.width >= 800 && screen.height >= 600)

	{

		wdh = 850;

		hgt = 640;

	}

	// Open the window in the middle of the screen

	left = (screen.availWidth - wdh) / 2

	top = (screen.availHeight - hgt) / 2 - 10;

	success = open(url, '', 'width=' + wdh + ',height=' + hgt + ',left=' + left + ',top=' + top + ',scrollbars=yes,resizable=yes,status=no');

}



function set_login_required_cookie(value)

{

	var exp = new Date( );

	var expiry = exp.getTime( ) + (60 * 60 * 1000);

	exp.setTime(expiry);

	document.cookie = "c_login_required="+ value +"; expires=" + exp.toGMTString() + ";path=/";

}



function get_validate_keyword(str1, str2, str3, charlimit)

{

var newword1="", newword2="", newword3="";



	if(str1!="")

	{

		cstr = str1.split(",");			

		for(i=0; i<cstr.length; i++)

		{ 	

			newword1 = cstr[i];			

			if(newword1.length > charlimit)

			{				

				newword1 =  newword1 + "~" + "1";				

				return newword1;

			}						

		}

	}

		

	if(str2!="")

	{		

		cstr = str2.split(",");		

		for(i=0; i<cstr.length; i++)

		{	

			newword2 = cstr[i];		

			if(newword2.length > charlimit)

			{

				newword2 =  newword2 + "~" + "2";	

				return newword2;

			} 		

		}

	}			

	

	if(str3!="")

	{		

		cstr2 = str3.split(",");		

		for(i=0; i<cstr2.length; i++)

		{	

			newword3 = cstr2[i];						

			if(newword3.length > charlimit)

			{						

				newword3 =  newword3 + "~" + "3";	

				return newword3;

			} 		

		}

	}

	

	newword2 = "true~0";

	return newword2;		

}

function menuclick(submenu,imgbar) {

	if (document.getElementById(submenu).className=="close"){

		document.getElementById(submenu).className ="exp";

		document.getElementById(imgbar).src="images/decrease.gif";

	}else{

		document.getElementById(submenu).className="close";

		document.getElementById(imgbar).src="images/adding.gif";

	}

}

function highlight_table(element, color)

{

	//document.getElementById(element).bgColor = color;

	document.getElementById(element).style.backgroundColor = color;

}

/**

 * ͼƬijȺͿ,Զ߿

 * ȺͿĸĸԭߴ

 * img src="image" onload="setImgSizeWH(this.src,this,sizew,sizeh)"

 * @param theURL  - img ַ

 * @param sImage  - img object

 * @param imgW  - ƿ

 * @param imgH  - Ƹ߶

 */



function setImgSizeWH(theURL,sImage,imgW,imgH){

var imgObj;

imgObj = new Image();

imgObj.src = theURL;

if ((imgObj.width != 0) && (imgObj.height != 0)) {

	

	if(imgObj.width>imgW || imgObj.height>imgH){

		

		var iHeight = imgObj.height*imgW/imgObj.width;

		

		if(iHeight<=imgH){

			sImage.width=imgW;

			sImage.height=iHeight;

		}else{

		var iWidth=imgObj.width*imgH/imgObj.height;

		sImage.width=iWidth;

		sImage.height=imgH;

		}

	}else{

	sImage.width=imgObj.width;

	sImage.height=imgObj.height;

	}



}else{

sImage.width = imgW;

sImage.height= imgH;

}

}