//
// --------------------------------------------------------------------------
// ---- livesite is licensed software (c)2005 Ian Moody and livesite.biz ----
// --------------------------------------------------------------------------
// ---- UNAUTHORISED USE, DISTRIBUTION AND REVERSE ENGINEERING STRICTLY -----
// ---- PROHIBITED.  THIS COPYRIGHT NOTICE MUST NOT BE REMOVED.  SEE --------
// ---- YOUR LICENSE AGREEMENT FOR FULL TERMS AND CONDITIONS OF USE. --------
// --------------------------------------------------------------------------
//

function ls_rtrim( value )
{
	var w_space = String.fromCharCode(32);
	var v_length = value.length;
	var strTemp = "";
	if(v_length < 0)
	{
		return"";
	}
	var iTemp = v_length -1;
	while(iTemp > -1)
	{
		if(value.charAt(iTemp) == w_space)
		{
		}
		else
		{
			strTemp = value.substring(0,iTemp +1);
			break;
		}
		iTemp = iTemp-1;
	}
	return strTemp;
}

function ls_ltrim(value)
{
	var w_space = String.fromCharCode(32);
	if(v_length < 1)
	{
		return"";
	}
	var v_length = value.length;
	var strTemp = "";
	var iTemp = 0;
	while(iTemp < v_length)
	{
		if(value.charAt(iTemp) == w_space)
		{
		}
		else
		{
			strTemp = value.substring(iTemp,v_length);
			break;
		}
		iTemp = iTemp + 1;
	}
	return strTemp;
}



function ls_trim( value )
{
	if(value.length < 1)
	{
		return "";
	}

	value = ls_rtrim(value);
	value = ls_ltrim(value);
	if(value=="")
	{
		return "";
	}
	else
	{
		return value;
	}
}

function ls_checkForm( form_name, elements )
{
	var count = elements.length;

	if(count==0)
		return true;

	var num_alerts = 0;
	var message = '';

	for(var i=0;i<count;i++)
	{
		if(!document.forms[form_name].elements[elements[i]])
			continue;
		if(ls_trim(document.forms[form_name].elements[elements[i]].value)=='')
		{
			if(message=='')
				message = 'Please fill in the following fields before continuing!\n\n';
			message += ':: ' + elements[i] + '\n';
		}
	}

	if(message!='')
	{
		alert( message );
		return false;
	}
	return true;
}

function ls_browserIsModernIE()
{
	// -- based on code at http://www.webreference.com/programming/javascript/detection --

	// -- get lots of flags --
	ns6 = !document.all && document.getElementById;
	ns6noopera = !document.all && !window.opera && document.getElementById;
	opera7 = window.opera && document.createComment;
	oldopera = window.opera && !document.createComment;
//	macie5 = document.all && !document.mimeType;
//	macie5notothers = document.all && document.getElementById && !document.mimeType && !windows.opera;
	Ie4upnoopera = document.all && !window.opera;
	ie5 = document.all && !document.fireEvent && !window.opera;
	ie55= document.all && document.fireEvent && !document.createComment;
	ie6 = document.all && document.fireEvent && document.createComment;

	if(ie6)
		return true;

	if(ie6||ie55)
		return true;
	return false;
}

function ls_formSelectAll( form_name, state )
{
	var count = (typeof(document.forms[form_name].elements['selected[]'].length)!='undefined')?document.forms[form_name].elements['selected[]'].length:0;
	if(count==0)
	{
		if(!document.forms[form_name].elements['selected[]'].disabled)
			document.forms[form_name].elements['selected[]'].checked = state;
	}
	else
	for(var i=0;i<count;i++)
	{
		if(!document.forms[form_name].elements['selected[]'][i].disabled)
			document.forms[form_name].elements['selected[]'][i].checked = state;
	}
}

var newWindow = null;

function ls_popupClose()
{
	if (newWindow != null){
		if(!newWindow.closed)
			newWindow.close();
	}
}

function ls_popupOpen( url, type, strWidth, strHeight )
{
	ls_popupClose();
	if (type == "fullScreen"){
		strWidth = screen.availWidth - 10;
		strHeight = screen.availHeight - 10;
	}

	switch (type) {
	case "standard":
		tools = "resizable,toolbar=yes,location=yes,scrollbars=yes,menubar=yes,width="+strWidth+",height="+strHeight+",top=0,left=0";
		break;
	case "fullScreen":
		tools = "resizable,toolbar=no,location=no,scrollbars=yes,menubar=no,width="+strWidth+",height="+strHeight+",left=0,top=0";
		break;
	case "console":
		tools = "resizable,toolbar=no,location=no,scrollbars=yes,menubar=no,width="+strWidth+",height="+strHeight+",left=0,top=0";
		break;
	}
	newWindow = window.open(url, 'newWin', tools);
	newWindow.focus();
}

function ls_wrap(myForm,myField, myValue)
{
	var el = document.forms[myForm].elements[myField];

	if(document.selection)
	{
		// Probably IE
		el.focus();
		sel = document.selection.createRange();
		sel.text = myValue + sel.text + myValue;
	}
	else
	if(el.selectionStart || el.selectionStart == '0')
	{
		// Probably Mozilla/Netscape
		var startPos = el.selectionStart;
		var endPos = el.selectionEnd;
		el.value = el.value.substring(0, startPos)
		+ myValue
		+ el.value.substring(startPos, endPos)
		+ myValue
		+ el.value.substring(endPos, el.value.length);
		el.focus();
	} 
	else
	{
		// Probably Opera
		var el = document.forms[myForm].elements[myField];		
		el.value += myValue;
	}
}