// This function is used to check if a certain text is numeric or not
function IsNumeric(sText) {
  var ValidChars = "0123456789.";
  var IsNumber=true;
  var Char;

  for (i = 0; i < sText.length && IsNumber == true; i++) {
    Char = sText.charAt(i);
    if (ValidChars.indexOf(Char) == -1) {
      IsNumber = false;
    }
  }
  return IsNumber;
}

// This function is to be used in the show/hide row contents without img
function ShowHideRow(Row) {
  if (Row.style.display == '') {
    Row.style.display = 'none';
  }else{
    Row.style.display = '';
  }
}

/*-*-*-*-*-* This function is to be used in the show/hide row contents with img *-*-*-*-*-*/
function ToggleInfoRow(Row, Img) {
  if (Row.style.display == '') {
    Row.style.display = 'none';    
    Img.src = '../Images/arrowOffAr.gif';
  }else{
    Row.style.display = '';
		Img.src = '../Images/arrowOn.gif';
  }
}

// This function is used to open a popup window
function openNewWindow(url,width,height) {
  var left =  Math.floor(screen.width/2)-Math.floor(width/2);
  var top =  Math.floor(screen.height/2)-Math.floor(height/2);
	popwindow = window.open(url, "popwindow", "toolbar=no,width="+width+",height="+height+",top="+top+",left="+left);
	popwindow.focus();
}

// This function is used in the login process
function login() {
  with (document.form) {
    if (txtUsername.value=="") {
    	txtUsername.focus();
   	  return false;
		}
    if (txtPassword.value=="") {
      txtPassword.focus();
      return false;
		}
	  
  	useraction.value = "login";
    action = "login.php";
    submit();
	}
}

// This function is used to submit form when the user press enter
function submitEnter(myfield,myevent,myaction) {
  var keycode;
  if (window.event) keycode = window.event.keyCode;
  else if (myevent) keycode = myevent.which;
  else return true;
	//alert (keycode);
  if (keycode == 13) {
    if (myaction == "login") {
      login();    
    }else if (myaction == "search") {
      SearchForMaterials();    
    }else if (myaction == "subscribe") {
      SubscribeMe();
    }else if (myaction == "unsubscribe") {
      UnSubscribeMe();
    }else{
      myfield.form.submit();
    }
    return false;
  }
  else
     return true;
}


// This function is used to check if a certain email is valid
function isValidMail(emailStr) {
  var checkTLD=1;
  var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
  var emailPat=/^(.+)@(.+)$/;
  var specialChars= "\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
  var validChars= "\[^\\s" + specialChars + "\]";
  var quotedUser="(\"[^\"]*\")";
  var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
  var atom=validChars + '+';
  var word="(" + atom + "|" + quotedUser + ")";
  var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
  var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
  var matchArray=emailStr.match(emailPat);
  if (matchArray==null) {
    return false;
  }
  var user=matchArray[1];
  var domain=matchArray[2];
  for (i=0; i<user.length; i++) {
    if (user.charCodeAt(i)>127) {
      alert("Your email address contains invalid characters.");
      return false;
     }
  }
  for (i=0; i<domain.length; i++) {
    if (domain.charCodeAt(i)>127) {
      alert("Your email domain name contains invalid characters.");
      return false;
     }
  }
  if (user.match(userPat)==null) {
    return false;
  }
  var IPArray=domain.match(ipDomainPat);
  if (IPArray!=null) {
    for (var i=1;i<=4;i++) {
      if (IPArray[i]>255) {
        alert("Destination IP address is invalid!");
        return false;
      }
    }
    return true;
  }
  var atomPat=new RegExp("^" + atom + "$");
  var domArr=domain.split(".");
  var len=domArr.length;
  for (i=0;i< len;i++) {
    if (domArr[i].search(atomPat)==-1) {
      alert("Your email address does not seem to be valid - check your spelling, including wrong use of commas, or a full point . at the end of the address.");
      return false;
     }
  }
  if (checkTLD && domArr[domArr.length-1].length!=2 &&
  domArr[domArr.length-1].search(knownDomsPat)==-1) {
    alert("Your email address must end in a well-known domain or two letter " + "country.");
    return false;
  }
  if (len<2) {
    alert("Your email address is missing a hostname - check spelling.");
    return false;
  }
  return true;
}

// This function is used to check if the email is valid or not
function checkEmail() {
  with (document.form) {
    if (txtEmail.value == "") {
      txtEmail.focus();
      return false;
    }else if (txtEmail.value != "") {
      if (!isValidMail(txtEmail.value)) {
	      txtEmail.focus();
	      return;
	    }
    }
    return true;
  }
}

// This function is used to submit the form
function submitForm() {
  document.forms[0].submit();
}

function SubmitFormAction(sURL) 
{
	with (document.form)
	{
		action = sURL;
		submit();
	}
}


/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*                          Material Types Page Scripts
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/


// This function is used to check the required fields
function CheckName() 
{
  with (document.form) {
    if (txtName.value == "") {
      txtName.focus();
      return false;
    }
    
    useraction.value = "AddEdit";
    submit();
	}
}

// This function is used to confirm deletion
function ConfirmDeletion(ID) 
{
	with (document.form) 
	{		
	  if (!confirm("Confirm Deletion")) 
	  {
	  	return false;
	  }
	    
	  useraction.value = "Delete";
	  id.value = ID;
	  submit();
	}
}


/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*                          Attachment Types Page Scripts
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/


// This function is used to check the required fields
function CheckNames() 
{
  with (document.form) {
    if (txtNameEn.value == "") {
      txtNameEn.focus();
      return false;
    }else if (txtNameAr.value == "") {
      txtNameAr.focus();
      return false;
    }
    
    useraction.value = "AddEdit";
    AllowedExtensions.value = generateExtensionsStr();
    submit();
	}
}

/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*                          Used for lists
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
function AddItem(List1,List2) {
  if (List1.options.selectedIndex>=0 && List1.options[0].value != "-1") 
  {    
		// Add the selected item of List1 in List2
    Element = new Option(List1.options[List1.options.selectedIndex].text,List1.options[List1.options.selectedIndex].value, false, true);
    if (List2.options[0].value != "-1") {
			List2.add(Element,List1.options[List1.options.selectedIndex].value); //List2.add(Element,List1.length);
		} else {
			List2.remove(0);
			List2.add(Element,0);
		}
			  
		// Remove the selected item of List1
		List1.remove(List1.options.selectedIndex);
    Element = new Option("----------------------------------------------","-1");
    if (List1.options.length == 0) {
			List1.add(Element,0);
		}
	}
}

function SwapLists(List1,List2) {
  if (List1.options.length>0 && List1.options[0].value != "-1") 
  {    
		// Add items of List1 in List2
    List2.remove(0);
    for(i=0;i< List1.options.length;i++) {
		  Element = new Option(List1.options[i].text,List1.options[i].value);
			List2.add(Element,List1.options[i].value); // List2.add(Element,i);
		}
		// Remove items of List1
		L = List1.options.length
    for(i=0;i< L;i++) {
			List1.remove(0);
		}
    Element = new Option("----------------------------------------------","-1");
		List1.add(Element,0);
	}
}

function MultiDimensionalArray(iRows,iCols) 
	{ 
		var i; 
		var j; 
		var a = new Array(iRows); 
		for (i=0; i < iRows; i++) 
		{ 
		   a[i] = new Array(iCols); 
		   for (j=0; j < iCols; j++) 
		   { 
		       a[i][j] = ""; 
		   } 
		} 
	   return(a); 
	}
	
	//*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*
	function mySplit(whole, link) {
    if (whole.split) {
		  return(whole.split(link));
		}
    
 	  var parts = new makeArray(0);
 	  var d = 0;
 	  var p = 0;
 	  var q = whole.indexOf(link);

    while (q > -1) {
      parts[d++] = whole.substring(p, q);
    	parts.length = d;
    	p = q + 1;
    	q = whole.indexOf(link, p);
		}

    parts[d++] = whole.substring(p);
 	  parts.length = d;
	  return(parts);
	}
	
	//*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*
	function myJoin(parts, link) {
    if (parts.join) {
      return(parts.join(link));
    }

    var whole = "";
    var thisLink = "";

    for(var d = 0; d < parts.length;d++) {
      if (parts[d] != "") {
        whole = whole + thisLink + parts[d];
     		thisLink = link;
			}
		}
	  return(whole);
	}
	
	//*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*
  function generateExtensionsStr() 
  {
	  var extensions = new Array();
	  var extStr = "";
		
	  var extList = document.form.List2;
	  	  
	  for(var i=0; i< extList.options.length; i++) {	    
		  extensions[i] = extList.options[i].text;
		}
		
		
		extStr = myJoin(extensions, ";");
		// alert(extStr);
		return (extStr);
	}
	
/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*                          Material Types Page Scripts
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/


// This function is used to check the required fields
function CheckUserInfo() 
{
  with (document.form) 
  {
    if (txtName.value == "") {
      txtName.focus();
      return false;
    }
    
    if (txtUsername.value == "") {
      txtUsername.focus();
      return false;
    }
    
    if (!checkEmail()) {      
      return false;
    }
    
    useraction.value = "AddEdit";
    submit();
	}
}

/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*                          SiteMap Page Scripts
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/

function AddNewItem()
{
	with (document.form) 
  {  	
		useraction.value = "Add";
  	submit();
  }
}

function EditExistingItem()
{
	with (document.form) 
  {  	
		useraction.value = "Edit";
  	submit();
  }
}

// This function is used to check the required fields and submit the form if all valid
// If sAction = 'SaveAdd' then add new item
// If sAction = 'SaveEdit' then update existing item
function CheckSiteMapInfo(sAction) 
{
  with (document.form) 
  {
    if (txtNameEn.value == "") 
    {
      txtNameEn.focus();
      return false;
    }
    else if (txtNameAr.value == "") 
    {
      txtNameAr.focus();
      return false;
    }
    useraction.value = sAction;
    submit();
	}
}

// This function is used to confirm deletion
function ConfirmDelete() 
{
	with (document.form) 
	{		
	  {
	  	return false;
	  }
	    
	  useraction.value = "Delete";
	  submit();
	}
}

/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*                          Manage Material Page Scripts
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/

// This function is used to make a copy of a certain combo-box
function CopyCombo(cmbSrc, cmbDest, selectedValue)
{	
	for(i=0;i< cmbSrc.length;i++) 
	{				
  	Element = new Option(cmbSrc.options[i].text, cmbSrc.options[i].value);
		cmbDest.add(Element,i);
		if ((selectedValue != -1) && (cmbSrc.options[i].value == selectedValue)) 
		{
			cmbDest.options[i].selected = true;
		}
	}
}

// This function is used to check the duplicate values in the three location combo-boxes
function CheckDuplicate() 
{			
	with (document.form)
	{				
		if ((cmbLocation1.value == cmbLocation2.value) && (cmbLocation1.value != -1))
		{
			alert("Duplicate Locations");
			cmbLocation2.focus();
			return false;
		}
		
		if ((cmbLocation1.value == cmbLocation3.value) && (cmbLocation1.value != -1))
		{
			alert("Duplicate Locations");
			cmbLocation3.focus();
			return false;
		}
		
		if ((cmbLocation2.value == cmbLocation3.value) && (cmbLocation2.value != -1))
		{
			alert("Duplicate Locations");
			cmbLocation3.focus();
			return false;
		}
		return true;
	}
}

// This function is used to initialize the priority and enabled fields related to each location combo-box
function InitializeFields(index) 
{
  with (document.form) 
  {
  	switch(index) 
  	{
  		case 1:
  		{
  			if (cmbLocation1.options[cmbLocation1.options.selectedIndex].value != -1)
  			{
  				txtPriority1.value = 1;
  				chkEnabled1.checked = true;
  			}
  			else
  			{
  				txtPriority1.value = '';
  				chkEnabled1.checked = false;
  			}
  			break;
  		}
  		case 2:
  		{
  			if (cmbLocation2.options[cmbLocation2.options.selectedIndex].value != -1)
  			{
  				txtPriority2.value = 1;
  				chkEnabled2.checked = true;
  			}
  			else
  			{
  				txtPriority2.value = '';
  				chkEnabled2.checked = false;
  			}
  			break;
  		}
  		case 3:
  		{
  			if (cmbLocation3.options[cmbLocation3.options.selectedIndex].value != -1)
  			{
  				txtPriority3.value = 1;
  				chkEnabled3.checked = true;
  			}
  			else
  			{
  				txtPriority3.value = '';
  				chkEnabled3.checked = false;
  			}
  			break;
  		}
  	}
  }
}

// This function is used to check the required fields in materials_manage page
function CheckMaterialInfo() 
{
	
  with (document.form) 
  {  	
    if (cmbMaterialType.value == "") {
      cmbMaterialType.focus();
      return false;
    }
    
    if (cmbLanguage.value == "") {
      cmbLanguage.focus();
      return false;
    }
    
    if (cmbLocation1.options[cmbLocation1.options.selectedIndex].value == -1) {
      cmbLocation1.focus();
      return false;
    }
    
    useraction.value = "AddEdit";
    submit();
	}
}

// This function is used to reset the fields in the filtration search form
function ResetSearchForm() 
{
	with (document.form)
	{
		txtFromDate.value = "";
		txtToDate.value = "";
		txtSource.value = "";
		txtTitle.value = "";
		cmbMaterialType.options.selectedIndex = 0;
		cmbLanguage.options.selectedIndex = 0;
		cmbSortField.options.selectedIndex = 1;
		rdSortType[1].checked = true;
	}
}


/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*                          Manage Attachment Page Scripts
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/

// This function is used to check the required fields in attachments_manage page
function CheckAttachmentInfo(id) 
{
	var materialID = id;
  with (document.form) 
  {  	
    if (txtName.value == "") {
      txtName.focus();
      return false;
    }
    
    if (txtFileName.value == "") {
      txtFileName.focus();
      return false;
    }
    
    if (txtDate.value == "") {
      txtDate.focus();
      return false;
    }
        
    var ext = txtFileName.value;
    ext = ext.substring(ext.length-3,ext.length);
  	ext = ext.toLowerCase();
		
		var allowedExtensions = txtAllowedExtensions.value;
		var pos = allowedExtensions.indexOf(ext);
		
		if (pos==-1) {
      txtFileName.focus();
      return false;
		}
        	        
    txtMaterialID.value = materialID;    
    useraction.value = "AddEdit";
    submit();
	}
}

// This function is used to confirm deletion
function ConfirmAttachmentDeletion(AttachmentID, MaterialID) 
{
	with (document.form) 
	{		
	  {
	  	return false;
	  }
	    
	  useraction.value = "Delete";
	  txtAttachmentID.value = AttachmentID;
	  txtMaterialID.value = MaterialID;
	  submit();
	}
}

//*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*
// Remove both the leading and the trailing space/s of a given string
//*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*
function Trim(str) {
	// Remove leading spaces and carriage returns
  while (str.substring(0,1) == ' ') {
  	str = str.substring(1,str.length);
	}

	// Remove trailing spaces and carriage returns
  while (str.substring(str.length-1,str.length) == ' ') {
  	str = str.substring(0,str.length-1);
  }
  return str;
}

/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*                          Search Control
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
function SearchForMaterials() 
{
	with (document.form) 
	{		
	  if (Trim(txtSearch.value)=="") 
	  {
	  	return false;
	  }
	  
	  action = "../Home/search_results.php";
	  submit();
	}
}