//====================================================================================================
//	File Name		:	functions.js
//----------------------------------------------------------------------------------------------------
//	Purpose			:	Javascript Utility functions
//	Author			:	Nirmal Patel
//	Creation Date	:	05-May-2003
//	Copyright		:	Copyrights  2003 Dot Infosys
//	Email			:	dinesh@dotinfosys.com
//	History			:
//						Date						Author						Remark
//						05-May-2003					Nirmal Patel				Initial Release
//
//====================================================================================================

//====================================================================================================
//	Function Name	:	popupWindowURL
//	Purpose			:	Whenever you wanna open a link into a new window just call this function
//								you need to pass some arguemnts as described below.
//	Parameters		:
//								url  = url to be open in the new window
//								winname = winname is the window name for the reference of that window
//								w is the width
//								h is the height
//								menu is the parameter, if you want menubar to be enabled on the window
//								resize if you wanna resize the window
//								scroll i fyou needed
//	Return			:	true or false
//	Author			:	Nirmal Patel
//	Creation Date	:	05-May-2003
//----------------------------------------------------------------------------------------------------

function popupWindowURL(url, winname,  w, h, menu, resize, scroll) {

    var x = (screen.width-w)/2;
    var y = (screen.height-h)/3;

	if (winname == null) winname = "newWindow";
	if (w == null) w = 800;
	if (h == null) h = 600;
	if (resize == null) resize = 1;

	menutype   = "nomenubar";
	resizetype = "noresizable";
	scrolltype = "noscrollbars";
	if (menu) menutype = "menubar";
	if (resize) resizetype = "resizable";
	if (scroll) scrolltype = "scrollbars";
	//alert(url+","+x+","+winname);
    cwin=window.open(url,winname,"top=" + y + ",left=" + x + ",screenX=" + x + ",screenY=" + y + "," + "status," + menutype + "," + scrolltype + "," + resizetype + ",width=" + w + ",height=" + h);

	if (!cwin.opener) cwin.opener=self;
	cwin.focus();

	return true;
}

function CheckUncheck_Click(fld, status)
{
	if(fld.length)
		for(i=0; i < fld.length; i++)
			fld[i].checked = status;
	else
		fld.checked = status;
}

function UploadImage_Change(obj, imgTag, defaultVal, defaultWidth)
{
	imgTag.width=120;

	if(obj.value == '')
		imgTag.src = defaultVal;
	else
	{
		imgTag.src = obj.value;
		if(defaultWidth != '')
			imgTag.width=defaultWidth;
	}
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function ShowHide(menu)
{
	if(menu)
	{
		if(menu.style.display == 'none')
		{
			menu.style.visibility	= 'visible';
			menu.style.display		= 'block';
			SetCookie(menu.id, 'open');
		}
		else
		{
			menu.style.visibility 	= 'hidden';
			menu.style.display 		= 'none';
			SetCookie(menu.id, 'close');
		}
	}
}

/**
 * Sets a Cookie with the given name and value.
 *
 * name       Name of the cookie
 * value      Value of the cookie
 * [expires]  Expiration date of the cookie (default: end of current session)
 * [path]     Path where the cookie is valid (default: path of calling document)
 * [domain]   Domain where the cookie is valid
 *              (default: domain of calling document)
 * [secure]   Boolean value indicating if the cookie transmission requires a
 *              secure transmission
 */
function setCookie(name, value, expires, path, domain, secure) {
    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

/**
 * Gets the value of the specified cookie.
 *
 * name  Name of the desired cookie.
 *
 * Returns a string containing value of specified cookie,
 *   or null if cookie does not exist.
 */
function getCookie(name)
{
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1)
	{
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    }
	else
	{
        begin += 2;
    }
	
    var end = document.cookie.indexOf(";", begin);
    if (end == -1)
	{
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

/**
 * Deletes the specified cookie.
 *
 * name      name of the cookie
 * [path]    path of the cookie (must be same as path used to create cookie)
 * [domain]  domain of the cookie (must be same as domain used to create cookie)
 */
function deleteCookie(name, path, domain) {
    if (getCookie(name)) {
        document.cookie = name + "=" +
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}

/*function GetCookie (name) 
{
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen) 
	{
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg)
			return getCookieVal (j);

		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break; 
	}
	return null;
}

function SetCookie (name, value) 
{
	var argv = SetCookie.arguments;
	var argc = SetCookie.arguments.length;
	
	var expires = (argc > 2) ? argv[2] : null;
	var path = (argc > 3) ? argv[3] : null;
	var domain = (argc > 4) ? argv[4] : null;
	var secure = (argc > 5) ? argv[5] : false;
	
	document.cookie = name + "=" + escape (value) +
	((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
	((path == null) ? "" : ("; path=" + path)) +
	((domain == null) ? "" : ("; domain=" + domain)) +
	((secure == true) ? "; secure" : "");
}*/