/*

Author : Tosom S.r.l.
Version : 1.4

requires : the ajaxcore

This file provides functions to handle form elements, divs and ajax

*/



function trace()
{ if(window.console){ window.console.log(m) } }



/* DATE MUST BE UNIX FORMAT YYYY-MM-DD*/
function checkDate(date)
{
	var pattern = /^[0-9]{4}\-([0-9]{2}|[0-9]{1})\-([0-9]{2}|[0-9]{1})$/  ;
		
	if( !pattern.test(date) )
	{ return false ; }
	
	var dt = date.split("-") ;
	var ctrlDate = new Date() ;
	var ctrlDateString = "" ;
	
	ctrlDate.setFullYear( dt[0] ) ;
	ctrlDate.setMonth( parseInt(dt[1],10)-1 ) ;
	ctrlDate.setDate( dt[2] ) ;
	
	var md = new Array( 31,28,31,30,31,30,31,31,30,31,30,31);
		
	// 
	var ctrlYear  = ctrlDate.getFullYear();
	var ctrlMonth = ctrlDate.getMonth() ;
	var ctrlDay   = ctrlDate.getDate() ;

	if (  ctrlMonth==2 )
	{
		if( 
			( ctrlYear%100 == 0 && ctrlYear%400 == 0 )
			|| 
			( ctrlYear%4==0 )  
		)
		{
			md[1] = 29 ;
		}
	}
	
	if( parseInt(dt[2]) > parseInt(md[ ctrlMonth ])  )
	{ return false ; }
	
	ctrlMonth = ctrlMonth+1 ; 
	
	ctrlDateString = ctrlYear+"-"+ctrlMonth+"-"+ctrlDay;
	date = dt[0]+"-"+parseInt(dt[1],10)+"-"+parseInt(dt[2],10) ;
	
	return ctrlDateString==date  ;
}



function trim(str)
{
	if(str && str!="")
	{ return str.replace(/^\s+|\s+$/g, ''); }
}


function openTooltip( e , id  )
{
	var box = null ;
	
	if( typeof id == "string" )
		box = getId( id ); 
	else
		box = id ;
		
	if(box)
	{
		var mpos = lovely_getMouseXY(e);
	
		box.style.top  = (mpos[1]+25)+"px" ; 
		box.style.left = (mpos[0]-5)+"px";
		
		if(box.style.display!="block")
			showPanel(box);
	}
	
}
function closeTooltip( id )
{ hidePanel(id); }

// type= 0 idx is the index, type=1 idx is the value
function changeSelectIndex( sel , idx , type )
{	

	if(type==0)
	{ 
		sel.selectedIndex = idx ; 
	}
	else
	{
		for(var i=0 ; i<sel.length ; i++)
		{
			if( sel[ i ].value == idx )
			{ sel.selectedIndex = i ; break; }
		}
	
	}
}

function scanSelect()
{
	selections = document.getElementsByTagName("select");	
}

function svuotaSelect(sel)
{
	while(sel.length>0)
		sel.remove(0);
}

/*
Options must be an array containig { "value" :"val" , "label":"label" }
*/
function popolaSelect( select , opts )
{
	var tmp = null;
		
	if(select && opts)
	{
		for( var i=0; i<opts.length;i++ )
		{
			tmp = new Option( unescape(opts[i].label) , opts[i].value , (opts[i].defSel ? true : false) , (opts[i].sel ? true : false)  );
			select.options[i] = tmp;
		}
	}
}


function generaArrayPeriodo(lang)
{
	var mesi = new Array();
	mesi["ita"] =  new Array("Gennaio" , "Febbraio" , "Marzo" , "Aprile" , "Maggio" , "Giugno" , "Luglio" , "Agosto" , "Settembre" , "Ottobre" , "Novembre" , "Dicembre");
	
	var mesiSel = null;
	var date = new Date();
	
	if(lang && mesi[lang] )
		mesiSel= mesi[lang];
	else
		mesiSel= mesi["ita"];
	
	
	var currYear = date.getFullYear();
	var currMonth = date.getMonth();
	
	var optsArr = new Array();
	
	var maxMonths = 16; // more than 1 year max limit
	var cm=0;
	var cmVal=0;
	for( var i=0; i<maxMonths ; i++ )
	{
		cm = (currMonth + i) %12;
		
		if(cm==0)
			currYear++;
		
		cmVal =cm;
		if(cmVal<10)
			cmVal = "0"+cm;
			
		optsArr[optsArr.length] = { "value" : currYear+"-"+cmVal , "label" : mesiSel[cm]+" "+currYear } ;
	}
	return optsArr;
}
function toggleShowPanel( id )
{
	el = getId(id) ;
	if( el )
	{
		if(el.style.display=="block")
		{ hidePanel(id); }
		else
		{ showPanel(id); }
	}
}
function getId(id)
{
	return document.getElementById(id);
}
function writePanel( panel , str )
{
	var pnl = false;
	if( (typeof panel )=="string" )
		pnl = document.getElementById(panel);
	else if( (typeof panel) == "object" )
		pnl = panel;		

	if(pnl)
		pnl.innerHTML = str;
}
function hidePanel( panel )
{
	var pnl = false;
	if( (typeof panel )=="string" )
		pnl = document.getElementById(panel);
	else if( (typeof panel) == "object" )
		pnl = panel;		

	if(pnl)
		pnl.style.display = "none";
}
function showPanel( panel ,inline)
{
	var pnl = false;
	if( (typeof panel )=="string" )
		pnl = document.getElementById(panel);
	else if( (typeof panel) == "object" )
		pnl = panel;		

	if(pnl)
	{
		if(  typeof inline == "undefined" || !inline ) 
		{ pnl.style.display = "block"; }
		else
		{ pnl.style.display = "inline-block"; }
	}
}

function togglePanel( panel )
{
	var pnl = false;
	if( (typeof panel )=="string" )
		pnl = document.getElementById(panel);
	else if( (typeof panel) == "object" )
		pnl = panel;		

	if(pnl.style.display == "block")
		hidePanel(pnl);
	else
		showPanel(pnl);
}

function changeClass( elem , new_class )
{
	var type = typeof(elem) ;
	var el = null;
	
	if(type=="string")
		el = getId( elem );	
	else
		el = elem
		
	if(el)
	{	
		el.removeAttribute("class");
		var cls = document.createAttribute( "class" );
		cls.value = new_class ;
		el.setAttributeNode( cls );
	}
}

function clearForm( name )
{
	var form = document.forms[name];
	if( form )
		try{ form.reset(); }catch(e){}
}


function getFormCheckboxes( form , checked )
{
	if(!form || form.length<=0)
		return false;
	
	var out = new Array() ;
	var cnt = 0 ;
	for(  var i=0 ; i<form.length ; i++ )
	{
		if( form[i].type=="checkbox" )
		{
			if( checked && form[i].checked )
			{		
				out[cnt] = form[i] ;
				cnt ++;
			}
		}
	}

	return out;
}


function popupper(url,x,y,name,sb,rs,st,lt,tb) {
	
	var win = null;
	
	var centerwidth=(screen.width/2)-(x/2);
	var centerheight=(screen.height/2)-(y/2);
	var scrollbarstext = 'scrollbars = no,';
	var resizabletext = 'resizable = no,';
	var statustext = 'status = no,';
	var locationtext = 'location = no,';
	var toolbartext = 'toolbar = no,';
	var features = '';
	
	if (sb == 1){scrollbarstext = 'scrollbars = yes,'}
	if (rs == 1){resizabletext = 'resizable = yes,'}
	if (st == 1){statustext = 'status = yes,'}
	if (lt == 1){locationtext = 'location = yes,'}
	if (tb == 1){toolbartext = 'toolbar = yes,'}
	
	features = scrollbarstext+resizabletext+statustext;
	features = features + locationtext+toolbartext;
	features = features + 'width = '+x+',height = '+y;
	features = features + ',top = ' + centerheight;
	features = features + ',left = ' + centerwidth;
	
	win = window.open(url, name, features);
	win.focus();
}


function lovely_getMouseXY(e) 
{
	var IE = document.all?true:false;
	
	var tempX = 0;
	var tempY = 0;
	var scrollTop = 0;

	if (IE) { // grab the x-y pos.s if browser is IE
		
		if (document.documentElement && !document.documentElement.scrollTop) // IE +4.01 but no scrolling going on
			scrollTop = document.body.scrollTop;
		
		else if (document.documentElement && document.documentElement.scrollTop)// IE +4.01 and user has scrolled
			scrollTop = document.documentElement.scrollTop;
		
		else if (document.body && document.body.scrollTop)// IE or DTD 3.2 
			scrollTop = document.body.scrollTop;
		
		
		tempX = e.clientX + document.body.scrollLeft;
		tempY = e.clientY + scrollTop ;
		
	}
	else {  // grab the x-y pos.s if browser is NS
		tempX = e.pageX;
		tempY = e.pageY;
	}  
	if (tempX < 0){tempX = 0;}
	if (tempY < 0){tempY = 0;}  
	
	return new Array( tempX , tempY );
}
function lovely_getPanelClickXY(panel,e)
{
	var posx = 0 ; 
	var posy = 0 ;
	
	if (e.pageX || e.pageY) 	
	{
		posx = e.pageX-panel.offsetLeft +1;
		posy = e.pageY-panel.offsetTop +1;
	}
	else if (e.clientX || e.clientY) 	
	{
		posx = ( (e.clientX + document.body.scrollLeft) - (panel.offsetLeft) ) -4 ;
		posy = ( (e.clientY + document.body.scrollTop) - (panel.offsetTop) )-1;
		
	}
	
	return new Array( posx, posy ) ;
}


function getPageSize() 
{
	var w = 0 ;
	var h = 0 ;
	
	if( typeof( window.innerWidth ) == 'number' ) 
	{
		//Non-IE
		w = window.innerWidth;
		h = window.innerHeight;
	} 
	else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) 
	{
		//IE 6+ in 'standards compliant mode'
		w = document.documentElement.clientWidth;
		h = document.documentElement.clientHeight;
	}
	else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) 
	{
		//IE 4 compatible
		w = document.body.clientWidth;
		h = document.body.clientHeight;
	}
	
	return new Array( w , h )
}



function getElementsByClassName(classname, node) 
{
	if(!node) 
		node = document.getElementsByTagName("body")[0];
	var a = [];
	
	var re = new RegExp('\\b'+classname+'\\b');
	var els = node.getElementsByTagName("*");
	
	for(var i=0,j=els.length; i<j; i++)
		if(re.test(els[i].className))
			a.push(els[i]);
	
	return a;
}

function checkTextLength(elem,cntr,cntrLabel)
{
	var str = elem.value;
	if( cntr )
		writePanel(cntrLabel , str.length) ;
	if( str && str.length>=99 )
	{
		elem.value = str.substr( 0 , 99 ) ;
	}

}

/*
Cambia la selezione di una serie di radio buttons

"radio" nome dei radio buttons

"type_check" indica il tipo di controllo da effetture :
	0 - indice di posizione dell'array degli elementi 
	1 - valore assunto dal radio button ( seleziona il primo valore trovato )

"check" valore da controllare in base al tipo specificato

*/
function changeRadioCheck( radio , type_check , check )
{
	try
	{
		elems = document.getElementsByName( radio );
		
		for( var crc_cnt=0 ; crc_cnt<elems.length ; crc_cnt++)
		{
			if( type_check==0 && crc_cnt == check)
			{  elems[crc_cnt].checked=true ; return "true"; }
			
			if( type_check==1 && elems[crc_cnt].value==check )
			{  elems[crc_cnt].checked=true ; return "true"; }	
		}
		return "false";
	}
	catch(e){alert("Errore nella gestione della form :"+e.message);}
}

/*
ritorna il primo valore checked degli elementi con nome radio
null altrimenti.
*/
function getRadioCheck( radio )
{
	try
	{
		tmp = document.getElementsByName( radio );
		val = 0;
		for( grc_cntr=0 ; grc_cntr<tmp.length ; grc_cntr++)
			if( tmp[grc_cntr].checked )
				return tmp[grc_cntr].value;
		return null;
	}catch(e){return null;}
}