function confirmAction(text)
{
var agree=confirm(text);
if (agree)
	return true ;
else
	return false ;
}
function confirmAction2(elem, text1, text2)
{
	var text;
	if (elem.selectedIndex==0)
	{
		text = text1;
	}
	else if (elem.selectedIndex == 1)
	{
		text = text2;
	}
	var agree=confirm(text);
	if (agree)
		return true ;
	else
		return false ;
}

function CheckAll() {
  for (var i = 0; i < document.form.elements.length; i++) {
    if(document.form.elements[i].type == 'checkbox' &&        document.form.elements[i].name != 'checkall'){
      document.form.elements[i].checked =    !(document.form.elements[i].checked);
    }
  }
}
var isNN = ( navigator.appName.indexOf( "Netscape" ) != -1 ); 
 
function autoTab( input,len, e ) { 
	var keyCode	= ( isNN ) ? e.which : e.keyCode; 
	var filter	= ( isNN ) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46]; 
	if( input.value.length >= len && !containsElement( filter, keyCode )) { 
	input.value = input.value.slice( 0, len ); 
	input.form[( getIndex( input ) + 1 ) % input.form.length].focus(); 
	} 
	return true; 
} 
 
function containsElement( arr, ele ) { 
	var found = false, index = 0; 
	while( !found && index < arr.length ) 
	if( arr[index] == ele ) { 
		found = true; 
	} else { 
		index++; 
	} 
	return found; 
} 
 
function getIndex( input ) { 
	var index = -1, i = 0, found = false; 
	while ( i < input.form.length && index == -1 ) 
	if ( input.form[i] == input ) { 
		index = i; 
	} else { 
		i++; 
	} 
	return index; 
} 

function isEmailAddr(email)
{
  var result = false;
  var theStr = new String(email);
  var index = theStr.indexOf("@");
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}

function validRequired(formField,fieldLabel)
{
	var result = true;
	
	if (formField.value == "")
	{
		alert('Please enter a value for the "' + fieldLabel +'" field.');
		formField.focus();
		result = false;
	}
	
	return result;
}

function validNonZeroRequired(formField,fieldLabel)
{
        var result = true;

        if (formField.value == "0")
        {
                alert('"' + fieldLabel +'" cannot be zero. Please enter a valid numeric value.');
                formField.focus();
                result = false;
        }

	return result;
}
											


function allDigits(str)
{
	return inValidCharSet(str,"0123456789");
}

function inValidCharSet(str,charset)
{
	var result = true;

	// Note: doesn't use regular expressions to avoid early Mac browser bugs	
	for (var i=0;i<str.length;i++)
		if (charset.indexOf(str.substr(i,1))<0)
		{
			result = false;
			break;
		}
	
	return result;
}

function validEmail(formField,fieldLabel,required)
{
	var result = true;
	
	if (required && !validRequired(formField,fieldLabel))
		result = false;

	if (result && ((formField.value.length < 3) || !isEmailAddr(formField.value)) )
	{
		alert("Please enter a complete email address in the form: yourname@yourdomain.com");
		formField.focus();
		result = false;
	}
   
  return result;

}

function validNum(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		if (!allDigits(formField.value))
 		{
 			alert('Please enter a number for the "' + fieldLabel +'" field.');
			formField.focus();		
			result = false;
		}
	} 
	
	return result;
}


function validInt(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		var num = parseInt(formField.value,10);
 		if (isNaN(num))
 		{
 			alert('Please enter a number for the "' + fieldLabel +'" field.');
			formField.focus();		
			result = false;
		}
	} 
	
	return result;
}


function validDate(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		var elems = formField.value.split("/");
 		
 		result = (elems.length == 3); // should be three components
 		
 		if (result)
 		{
 			var month = parseInt(elems[0],10);
  			var day = parseInt(elems[1],10);
 			var year = parseInt(elems[2],10);
			result = allDigits(elems[0]) && (month > 0) && (month < 13) &&
					 allDigits(elems[1]) && (day > 0) && (day < 32) &&
					 allDigits(elems[2]) && ((elems[2].length == 2) || (elems[2].length == 4));
 		}
 		
  		if (!result)
 		{
 			alert('Please enter a date in the format MM/DD/YYYY for the "' + fieldLabel +'" field.');
			formField.focus();		
		}
	} 
	
	return result;
}

function switchDiv(div_id)
{
  var style_sheet = getStyleObject(div_id);
  if (style_sheet)
  {
    hideAll();
    changeObjectVisibility(div_id, "visible");
  }
  else 
  {
    alert("sorry, this only works in browsers that do Dynamic HTML");
  }
}

function getStyleObject(objectId) {
  // checkW3C DOM, then MSIE 4, then NN 4.
  //
  if(document.getElementById && document.getElementById(objectId)) {
return document.getElementById(objectId).style;
   }
   else if (document.all && document.all(objectId)) {  
return document.all(objectId).style;
   } 
   else if (document.layers && document.layers[objectId]) { 
return document.layers[objectId];
   } else {
return false;
   }
}

function changeObjectVisibility(objectId, newVisibility) {
    // first get the object's stylesheet
    var styleObject = getStyleObject(objectId);

    // then if we find a stylesheet, set its visibility
    // as requested
    //
    if (styleObject) {
styleObject.visibility = newVisibility;
return true;
    } else {
return false;
    }
}

function hideAll()
{
   changeObjectVisibility("ez","hidden");
   changeObjectVisibility("full","hidden");
   changeObjectVisibility("superduper","hidden");
}

function changeDiv(the_div,the_change)
{
  var the_style = getStyleObject(the_div);
  if (the_style != false)
  {
	if(navigator.appName == 'Microsoft Internet Explorer' && the_change == 'table-row')
	{
		the_change = 'block';
	}
    the_style.display = the_change;
  }
}

function Close(url) 
{
window.close();
opener.location = url;
}

function myinput(target, formName, obj, val, append) {
	if (append) {
		target.document.forms[formName].elements[obj].value =
		target.document.forms[formName].elements[obj].value + val;
	} else {
		target.document.forms[formName].elements[obj].value = val;
	}
}

function SellEnsure(theForm)
{
	if(theForm.action.value == "sell_now")
		return confirm("Do you wish to sell item(s) now?");
	else
		return true;
}