var NN4 = document.layers? true : false; //Netscape Navigator 4.x.
var IE4 = document.all? true : false; // IE version 4 and above.


function ToggleButton(buttonId, stateElementId)
{
	var txtBox = document.getElementById(buttonId);
	var hf_txtBox = document.getElementById(stateElementId);
	if(txtBox.disabled)
	{
		txtBox.value = "";
		txtBox.style.borderWidth = "medium";
		txtBox.disabled = false;
		hf_txtBox.value = false;
		txtBox.focus();
		//txtBox.style.visibility = "visible";
	}
	else
	{
		txtBox.value = "Ignore";
		txtBox.style.borderWidth = 0;
		txtBox.disabled = true;
		hf_txtBox.value = true;
		//txtBox.style.visibility = "hidden";
	}
}
function ToggleSelect(SelectId, stateElementId)
{
	var ddl = document.getElementById(SelectId);
	var hf_ddl = document.getElementById(stateElementId);
	if(ddl.disabled)
	{
	    removeOptionAtTop(ddl);
		ddl.selectedIndex = 0;
		ddl.disabled = false;
		hf_ddl.value = false;
	}
	else
	{
	    insertOptionAtTop(ddl);
		ddl.selectedIndex = 0;
		ddl.disabled = true;
		hf_ddl.value = true;
	}
}
function ToggleCheckBox(BoxId, stateElementId)
{
	var cb = document.getElementById(BoxId);
	var hf_cb = document.getElementById(stateElementId);
	
	if(cb.disabled)
	{
		cb.checked = true;
		cb.disabled = false;
		hf_cb.value = false;
		cb.style.borderWidth = "medium";
		cb.focus();
	}
	else
	{
		cb.checked = true;
		cb.disabled = true;
		hf_cb.value = true;
	}
}

function CheckAll(container,AllCheckBoxId)
{
    var ParentElement = document.getElementById(container);
    var maincheckbox = document.getElementById(AllCheckBoxId);
    var checkboxes = ParentElement.getElementsByTagName("input");
    
    var value = maincheckbox.checked;
        
    for(i=0; i<checkboxes.length; i++)
    {
        if(checkboxes[i].type=="checkbox") checkboxes[i].checked=value;
        changeColor(checkboxes[i]);
    }
}

function DisableInputs(obj)
{
    var ParentElement = getParentElement(obj,"DIV");
    var childElements = ParentElement.getElementsByTagName("input");
    
    for(i=0; i < childElements.length; i++) 
    {
        switch(childElements[i].type)
        {
            case "checkbox":
                childElements[i].disabled = true;
                break;
            case "text":
                childElements[i].disabled = true;
		        childElements[i].value = "Ignore";
		        childElements[i].style.borderWidth = 0;
		        break;
		    case "hidden":
		        childElements[i].value = true;
		        break;
		    default:
		        break;
        }
    }
    
    //need to handle textareas seperately!?
    var childElements = ParentElement.getElementsByTagName("textarea");
    for(i=0; i < childElements.length; i++) 
    {
        childElements[i].disabled = true;
        childElements[i].value = "Ignore";
        childElements[i].style.borderWidth = 0;
    }
    
    //need to handle selects seperately!?
    var childElements = ParentElement.getElementsByTagName("select");
    for(i=0; i < childElements.length; i++) 
    {
        childElements[i].disabled = true;
        insertOptionAtTop(childElements[i]);
        childElements[i].selectedIndex = 0;
    }

}


function changeColor(obj) 
{       
    var rowObject = getParentElement(obj,"TR");     
    if(obj.checked) 
    {              
        rowObject.style.fontWeight = 'Bold';
    }
    else 
    {
        rowObject.style.fontWeight = 'Normal'; 
    }
}

function changeTextFont(columnobj) 
{       
    if(columnobj.style.fontWeight == "Normal") 
    {              
        columnobj.style.fontWeight = 'Bold';
    }
    else 
    {
        columnobj.style.fontWeight = 'Normal'; 
    }
}



function isFireFox() 
{
    return navigator.appName == "Netscape"; 
}

function getParentElement(obj,sElementTag) 
{ 
    do 
    {
        if(isFireFox()) 
        {
            obj = obj.parentNode; 
        }
        else {
        obj = obj.parentElement; 
        }
    }
    while(obj.tagName != sElementTag) 
   
   return obj;   
} 

function ToggleVisibility(id, CheckBoxesDivId) {
    var e = document.getElementById(id);
    //look for any checked cb's...
    var ParentElement = document.getElementById(CheckBoxesDivId);
    var checkboxes = ParentElement.getElementsByTagName("input");
    
    var Checked = false;

    for(i=0; i<checkboxes.length; i++)
    {
        if(checkboxes[i].type=="checkbox")
        {
            if(checkboxes[i].checked)
            {
                Checked = true;
                i = checkboxes.length;
            }
        }
    }   
    
    //if(Checked) alert("found checked!");
    //else alert("found UN checked!");

    if (NN4) 
    {
    // the code to display a layer in NN 4.x
      if (Checked) {
         e.style.visibility = "show";
      } else {
         e.style.visibility = "hidden";
      }    
    }
    else if (IE4 || isFireFox()) {
    // the code to display a layer in IE 4 and above
      if (Checked) {
         e.style.visibility = "visible";
      } else {
         e.style.visibility = "hidden";
      }
    }
    else{
    // the code to display a layer in IE 4 and above
    alert("browser may not be supported!");
      if (Checked) {
         e.style.visibility = "visible";
      } else {
         e.style.visibility = "hidden";
      }
    }
}

function insertOptionAtTop(x)
{
    var y=document.createElement('option');
    y.text="Ignore";
    var sel=x.options[0];  
    try
      {
	    x.add(y,sel);  // standards compliant
      }
    catch(ex)
      {
	    x.add(y,0); //IE
      }
}

function removeOptionAtTop(x)
  {
    var sel=x.options[0];  
    if(sel.text == "Ignore")  x.remove(0);
  }
  
  
function CheckNumericKeyInfo($char, $mozChar) { 
    //alert("char is: " + $char + " $mozChar: " + $mozChar);
  if($mozChar != null) { // Look for a Mozilla-compatible browser 
    if(($mozChar >= 48 && $mozChar <= 57) || $mozChar == 0 || $char == 
8 || $mozChar == 13) $RetVal = true; 
    else { 
      $RetVal = false; 
      alert('Please enter a numeric value.'); 
    } 
  } 
  else { // Must be an IE-compatible Browser 
    if(($char >= 48 && $char <= 57) || $char == 13) $RetVal = true; 
    else { 
      $RetVal = false; 
      alert('Please enter a numeric value.'); 
    } 
  } 
  return $RetVal; 
}

function bindDropDownList(listElement, items) {
    listElement.options.length = 0;
    for (ctr = 0; ctr < items.length; ctr++) {
        listElement.options[ctr] = new Option(items[ctr].Text, items[ctr].Value);
    }
}

// gets the contents of a select list as an array of WebTemplate.ListOption
function getDropDownListSelection(listElement) {
    var items = new Array();
    for (var ctr = 0; ctr < listElement.options.length; ctr++) {
        if (listElement.options[ctr].selected) {
            Array.add(items, listElement.options[ctr]);
        }
    }
    return items;
}