function trim(string_val)
{
	return string_val.replace(/^\s+|\s+$/g, "");
}

function verifica_email(Value)
{
	var emailPattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;
   	return emailPattern.test(Value); 
}

function IsNumeric(sText)
{
	var ValidChars = "0123456789";
	var IsNumber=true;
	var Char;
 
	for (i = 0; i < sText.length && IsNumber == true; i++) 
	{ 
		Char = sText.charAt(i); 
		if (ValidChars.indexOf(Char) == -1) 
		{
			IsNumber = false;
			break;
		}
	}
	return IsNumber;
}

function VerifyLogin()
{
	if (!verifica_email($('auth_username').value))
	{
		alert("Introduceti o adresa de email corecta!");
		return false;
	}
	
	if (trim($('auth_username').value) == '')
	{
		alert("Introduceti parola contului dumneavoastra!");
		return false;
	}
	
	$('formLogin').submit();
}

function DisplayLayer()
{
	var PageSize = getPageSize();
	$('dialog').style.width 	= PageSize[0] + 'px';
	$('dialog').style.height 	= PageSize[1] + 'px';		
	$('dialog').style.display 	= 'block';
}

function DisplayMessageBox(ModDisplay, Mesaj, Timp)
{
	if (ModDisplay == 'open')
	{
		HandleSelects(false);
		$('divError').style.display = 'block';
		$('errorMessage').innerHTML = Mesaj;
		var verticalScroll = window.pageYOffset;
		if  (window.pageYOffset)
        	verticalScroll = window.pageYOffset;
		else
			verticalScroll = (document.body.parentElement) ? document.body.parentElement.scrollTop : 0;
		
		if (verticalScroll > 0)
		{
			var WindowHeight = document.documentElement.clientHeight;
			$('divError').style.top = (verticalScroll + Math.round(WindowHeight / 2) - 150) + 'px';
		}
		
		setTimeout('CloseBox("divError")', Timp);
	}
	else if (ModDisplay == 'close')
	{
		$('divError').style.display = 'none';
	}
}

function CloseBox(BoxId)
{
	$('dialog').style.display = 'none';
	$(BoxId).style.display = 'none';
	
	HandleSelects(true);
}

function LoadingBox(Show)
{
	if ($('loadingBox'))
	{
		$('loadingBox').style.display 	= Show ? 'block' : 'none';
		if (Show == true)
		{
			var PageSize = getPageSize();
			$('dialog').style.width 	= PageSize[0] + 'px';
			$('dialog').style.height 	= PageSize[1] + 'px';			
			
			var verticalScroll = window.pageYOffset;
			if  (window.pageYOffset)
	        	verticalScroll = window.pageYOffset;
			else
				verticalScroll = (document.body.parentElement) ? document.body.parentElement.scrollTop : 0;
			
			if (verticalScroll > 0)
			{
				var WindowHeight = document.documentElement.clientHeight;
				$('loadingBox').style.top = (verticalScroll + Math.round(WindowHeight / 2) - 150) + 'px';
			}
			
			$('dialog').style.display 	= 'block';
		}
		else
			$('dialog').style.display = 'none';
		
		HandleSelects(!Show);
	}
}

function HandleSelects(Show)
{
	var IE6 = false /*@cc_on || @_jscript_version < 5.7 @*/;
	if (IE6)
	{
		var Selects = document.getElementsByTagName("select");
		for (var i = 0; i < Selects.length; i++)
		{
			Selects[i].style.visibility = Show ? 'visible' : 'hidden'; 
		}
	}
}

function getPageSize()
{
     var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) 
	{	
		xScroll = window.innerWidth + window.scrollMaxX;
		yScroll = window.innerHeight + window.scrollMaxY;
	} 
	else if (document.body.scrollHeight > document.body.offsetHeight)
	{ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} 
	else 
	{ // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	
	if (self.innerHeight) 
	{	// all except Explorer
		if(document.documentElement.clientWidth){
			windowWidth = document.documentElement.clientWidth; 
		} else {
			windowWidth = self.innerWidth;
		}
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = xScroll;		
	} else {
		pageWidth = windowWidth;
	}

	return [pageWidth, pageHeight];
}

function ComputeFirstPosition(BoxId)
{
	if ($(BoxId))
	{
		/*var WindowWidth 	= window.innerWidth;
		var WindowHeight 	= window.innerHeight;*/

		var WindowWidth 	= document.documentElement.clientWidth;
		var WindowHeight 	= document.documentElement.clientHeight;
		
		var BoxDimension 	= $(BoxId).getDimensions();
		
		var BoxWidth 		= BoxDimension.width;
		var BoxHeight 		= BoxDimension.height;
		
		if (BoxWidth == 0)
		{
			BoxWidth = $(BoxId).style.width;
			BoxWidth = parseInt(BoxWidth.replace('px', ''));
		}
		if (BoxHeight == 0)
		{
			BoxHeight = $(BoxId).style.height;
			BoxHeight = parseInt(BoxHeight.replace('px', ''));
		}
		
		if (BoxWidth == 0 || BoxHeight == 0)
		{
			$(BoxId).style.left = '100px';
			$(BoxId).style.top = '100px';
		}
		else
		{
			var PositionLeft = (WindowWidth / 2).round() - (BoxWidth / 2).round();
			if (PositionLeft < 1)
				PositionLeft = 10;
			$(BoxId).style.left = PositionLeft + 'px';
			
			var PositionTop = (WindowHeight / 2).round() - (BoxHeight / 2).round();
			if (PositionTop < 1)
				PositionTop = 10;
			$(BoxId).style.top = PositionTop + 'px';
		}
	}
}

function ComputeFirstPositionWidth(BoxId)
{
	if ($(BoxId))
	{
		var WindowWidth 	= document.documentElement.clientWidth;
		
		var BoxDimension 	= $(BoxId).getDimensions();
		
		var BoxWidth 		= BoxDimension.width;
		
		if (BoxWidth == 0)
		{
			BoxWidth = $(BoxId).style.width;
			BoxWidth = parseInt(BoxWidth.replace('px', ''));
		}
		
		if (BoxWidth == 0)
		{
			$(BoxId).style.left = '100px';
		}
		else
		{
			var PositionLeft = (WindowWidth / 2).round() - (BoxWidth / 2).round();
			//if (PositionLeft < 1) PositionLeft = 10;
			$(BoxId).style.left = PositionLeft + 'px';
		}
	}
}