//    Licensed Materials - Property of IBM
//
//    IBM Cognos Products: ps
//
//    (C) Copyright IBM Corp. 2005, 2011
//
//    US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
// Copyright (C) 2008 Cognos ULC, an IBM Company. All rights reserved.
// Cognos (R) is a trademark of Cognos ULC, (formerly Cognos Incorporated).

//-- Browser detection 
var isNS = false, isIE = false;
navigator.appName == "Netscape" ? isNS = true : isIE = true;

//-- List supported URL protocols here.
var g_sValidURLProtocols = "http:// https:// file:// ftp:// crn/ ../";

//-- Removes leading and trailing spaces
function trim(s) {
	var j = s.length;
	var strCd;
	for (var i = 0; i < j; i++) {
		strCd = s.charCodeAt(i);
		if (32 != strCd && 12288 != strCd) { //-- check for unicode space - normal and wide.
			break;
		}
	}
	if (i < j - 1) {
		for (; j > i; j--) {
			strCd = s.charCodeAt(j - 1);
			if (32 != strCd && 12288 != strCd) {
				break;
			}
		}
	}
	return s.substring(i, j);
}

/**
 * Verifies the port range: return true if it is between 0 and 65535, false otherwise.
 */
function isPortRangeValid(field) {
	if (field != null) {
		var value = field.value;
		if (!isNaN(value) && (parseInt(value, 10) == value) && value >= 0 && value <= 65535) {
			return true;
		}
	}
	return false;
}


// Checks that the specified form field contains an integer value that
//	is greater than or equal to zero.
function checkPositiveInteger(field) {
	if (field) {
		if (field.value < 1 || isNaN(field.value) || parseInt(field.value, 10) != field.value) {
			field.value = '0';
		}
	}
}

// Examines the value of the given object, if it's not a numerical
//	value greater than or equal to 0, it is replaced with the
//	supplied default value.
function checkPositiveIntegerDefault(field, def) {
	if (field) {
		if (field.value < 1 || isNaN(field.value) || parseInt(field.value, 10) != field.value)
		{
			field.value = def;
		}
	}
}
function checkURLFormat(field) {
	var item = field.value.toLowerCase();
	var aValidProtocols = [];
	var bIsValidProtocol = false;
	aValidProtocols = g_sValidURLProtocols.toLowerCase().split(" ");								
	for (var i = 0; i < aValidProtocols.length; i++) {
		// Reject URL's that do not start with or are equal to the list of URL prefixes defined in g_sValidURLProtocols.  
		// In addition to the supported protocols, we disallow the following characters from immediatelly following the protocol: ? @ : / \ #
		if (item.indexOf(aValidProtocols[i]) == 0 && aValidProtocols[i] != item && item.indexOf(aValidProtocols[i] + "?") != 0 && item.indexOf(aValidProtocols[i] + "\\") != 0) {
			var s = "^" + aValidProtocols[i] + "(@|:|#|/| )";
			var re = new RegExp(s);	
			if (!re.test(item)) {
				bIsValidProtocol = true;
				break;
			}
		}
	}
	if (bIsValidProtocol) {
		if (item == "http://www.") {
			bIsValidProtocol = false;
		}
	}
	return bIsValidProtocol;
}

// Format is name value pairs.
// To override the use of the default document name (pform is assumed),
// the word "form" must be specified as the first parameter followed by the form name as the value for the second parameter 
// in the name/value pair list. Example setSelectParams("form","myformname",...);

function setSelectParams() {
	var docform;
	var args = arguments.length;
	if (args > 0) {
		var i = 0;
		if (arguments[i] == 'form') {
			docform = document[arguments[++i]];
			i++;
		} else {
			docform = document.pform;
		}
	
		for (; i < args ; i++) {
			nm = arguments[i];
			vl = arguments[++i];
			docform[nm].value = vl;
		}
	}
}

// Sets the value of the form input field - otherwise creates the entry on the form.
// When the type (typ) is not specified, hidden is assumed.
// When the formname is not specified, pform is assumed.

function setFormInputElement(elename, val, typ, form) {
	var docform;
	if (typeof form != "undefined" && form != null) {
		docform = document[form];
	} else {
		docform = document.pform;
	}

	if (docform[elename]) {
		docform[elename].value = val;
	} else {
		var eleTyp;
		if (typeof typ != "undefined" && typ != null) {
			eleTyp = typ;
		} else {
			eleTyp = "hidden";
		}
		var formElement = document.createElement("input");
		formElement.setAttribute("type", eleTyp);
		formElement.setAttribute("name", elename);
		formElement.setAttribute("value", val);
		docform.appendChild(formElement);
	}
}

// Checks if elements starting with a particular prefix are checked.
// Typically used to determine if any checkboxes in a column of checkboxes are selected

function isSelected(p) {
	for (var i = 0; i < document.pform.elements.length; i++) {
		var e = document.pform.elements[i];
		if (e.name.substring(0, p.length) == p) {
			if (e.checked == true) {
				return true;
			}
		}
	}
	return false;
}
// Checks if element is checked and returns the value for it.

function getSelectedValueForFormElement(p, form) {
	for (var i=0;i<form.elements.length;i++) {
		var e = form.elements[i];
		if (e.name == p && e.checked) {
			return e.value;
		}
	}
	return "";
}

function getSelectedValue(p) {
	for (var i=0;i<document.pform.elements.length;i++) {
		var e = document.pform.elements[i];
		if (e.name == p && e.checked) {
			return e.value;
		}
	}
	return "";
}
function checkB4Download(downloadName)
{
	var changeName=false;
	for(i=0;i < downloadName.length; i++)
	{
		switch(downloadName.charCodeAt(i))
		{
			case 0x22: 	// Quote
			case 0x2A:	// Asterisk
			case 0x2F:	// Forward slash
			case 0x3A:	// Colon
			case 0x3C:	// Left Arrow
			case 0x3E:	// Right Arrow
			case 0x3F:	// Question mark
			case 0x5C:	// Back slash
			case 0x7C:	// Vertical bar
			{
				changeName=true;
			}
			default:
			{
				continue;
			}
		}
	}
	return changeName;
}

function checkDocumentDownload(downloadName, downloadMsg, sURL) {
	if (checkB4Download(downloadName)) {
		alert(downloadMsg);
	}
	window.setTimeout("window.location.href='" + sURL + "';", 1);
}

function scrollingTableResizeHandler(evt, isIE, divId, divBody, divHeader, nBottomSpace, minSize) {
	var eBody = document.body;
	var div_results_content = document.getElementById(divId);
	var div_results_contentBody = document.getElementById(divBody);
	var div_results_contentHeader = document.getElementById(divHeader);
	if (!div_results_content && !div_results_contentBody) {
		return;
	}
	var nNewHeight = eBody.clientHeight - scrollingTableGetTop(div_results_content) - nBottomSpace;
	// adjust height of the results content div (right pane)
	if (isIE) {
		if (nNewHeight > minSize) {
			div_results_content.style.height = nNewHeight;
		} else {
			div_results_content.style.height = minSize;
		}
	} else  {
		if (nNewHeight > minSize) {
			div_results_contentBody.style.height = nNewHeight - div_results_contentHeader.offsetHeight;
		} else {
			div_results_contentBody.style.height = minSize;
		}
	}
}

function scrollingTableGetTop(obj) {
	var curtop = 0;
	try {
		while (obj.offsetParent) {
			curtop += obj.offsetTop;
			obj = obj.offsetParent;
		}
	} catch (e) {}
	return curtop;
}

function scrollingTableAddEvent(obj, eventName, handler) {
	if (obj.attachEvent) {
		obj.attachEvent("on" + eventName, handler);
	} else if (obj.addEventListener) {
		obj.addEventListener(eventName, handler, false);
	}
}

 // Checks if element is checked and returns the value for it.
 
function getSelectedValueForFormElement(p, form) {
	for (var i=0;i<form.elements.length;i++) {
 		var e = form.elements[i];
 		if (e.name == p && e.checked) {
 			return e.value;
 		}
 	}
	return "";
}
  
function getSelectedValue(p) {
 	for (var i=0;i<document.pform.elements.length;i++) {
 		var e = document.pform.elements[i];
 		if (e.name == p && e.checked) {
 			return e.value;
 		}
 	}
 	return "";
}

function xmlDecodeResponse(sResponse)
{
	// Decode stuff which has been encoded/escaped out.
	// ORDER IS IMPORTANT - amp_re must be the last value to replace!
	return (((sResponse.replace(/&lt;/g, "<")).replace(/&gt;/g, ">")).replace(/&apos;/g, "'")).replace(/&amp;/g, "&");
}