var showImages = true;

function enlargeFonts (size1) {
//	alert(document.styleSheets[]);
	if (navigator.userAgent.search("MSIE") != -1) {
		if ((parseInt(document.styleSheets[0].rules[0].style.fontSize) + size1 > 7) && (parseInt(document.styleSheets[0].rules[0].style.fontSize) + size1 < 20))
			document.styleSheets[0].rules[0].style.fontSize = (parseInt(document.styleSheets[0].rules[0].style.fontSize) + size1) + 'px';
		if ((parseInt(document.styleSheets[0].rules[1].style.fontSize) + size1 > 7) && (parseInt(document.styleSheets[0].rules[1].style.fontSize) + size1 < 20))
			document.styleSheets[0].rules[1].style.fontSize = (parseInt(document.styleSheets[0].rules[1].style.fontSize) + size1) + 'px';
	}
	else {
		if ((parseInt(document.styleSheets[0].cssRules[0].style.fontSize) + size1 > 7) && (parseInt(document.styleSheets[0].cssRules[0].style.fontSize) + size1 < 20))
			document.styleSheets[0].cssRules[0].style.fontSize = (parseInt(document.styleSheets[0].cssRules[0].style.fontSize) + size1) + 'px';
		if ((parseInt(document.styleSheets[0].cssRules[1].style.fontSize) + size1 > 7) && (parseInt(document.styleSheets[0].cssRules[1].style.fontSize) + size1 < 20))
			document.styleSheets[0].cssRules[1].style.fontSize = (parseInt(document.styleSheets[0].cssRules[1].style.fontSize) + size1) + 'px';
	}
}

function toggleImages () {
//	alert(document.images.length);
	for (i = 0 ; i < document.images.length ; i++) {
		if (showImages) {
			document.images[i].style.visibility = "hidden";
		//	document.images[i].style.display = "none";
		}
		else {
			document.images[i].style.visibility = "visible";
		//	document.images[i].style.display = "inline";
		}
	}
	showImages = !showImages;
}




function showToolbarMenu (td1) {
	if (navigator.userAgent.search("MSIE") != -1) {
		var arrNodes = document.getElementsByTagName("SELECT"), i;
		for (i = 0 ; i < arrNodes.length ; i++) {
			arrNodes[i].style.visibility = "hidden";
		}
	}
	td1.lastChild.firstChild.width = td1.offsetWidth + 1;
	td1.lastChild.style.visibility = "visible";
}

function hideToolbarMenu (div1) {
	if (navigator.userAgent.search("MSIE") != -1) {
		var arrNodes = document.getElementsByTagName("SELECT"), i;
		for (i = 0 ; i < arrNodes.length ; i++) {
			arrNodes[i].style.visibility = "visible";
		}
	}
	div1.style.visibility = "hidden";
}


function showMenu (td1) {
	if (navigator.userAgent.search("MSIE") != -1) {
		var arrNodes = document.getElementsByTagName("SELECT"), i;
		for (i = 0 ; i < arrNodes.length ; i++) {
			arrNodes[i].style.visibility = "hidden";
		}
	}
	td1.lastChild.style.marginTop = - (td1.firstChild.offsetHeight);
	td1.lastChild.style.marginLeft = td1.firstChild.offsetWidth;
	td1.lastChild.style.visibility = "visible";
}

function hideMenu (div1) {
	if (navigator.userAgent.search("MSIE") != -1) {
		var arrNodes = document.getElementsByTagName("SELECT"), i;
		for (i = 0 ; i < arrNodes.length ; i++) {
			arrNodes[i].style.visibility = "visible";
		}
	}
	div1.style.visibility = "hidden";
}


function validateDate(fld, lang1) {
	var RegExPattern = /^(?=\d)(?:(?:(?:(?:31(\/|-|\.)(?:0?[13578]|1[02]))\1|(?:(?:29|30)(\/|-|\.)(?:0?[1,3-9]|1[0-2])\2))(?:(?:1[6-9]|[2-9]\d)?\d{2})|(?:29(\/|-|\.)0?2\3(?:(?:(?:1[6-9]|[2-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))|(?:0?[1-9]|1\d|2[0-8])(\/|-|\.)(?:(?:0?[1-9])|(?:1[0-2]))\4(?:(?:1[6-9]|[2-9]\d)?\d{2}))($|\ (?=\d)))?(((0?[1-9]|1[012])(:[0-5]\d){0,2}(\ [AP]M))|([01]\d|2[0-3])(:[0-5]\d){1,2})?$/;
	var errorMessage = 'Συμπληρώστε πραγματική ημερομηνία με τη μορφή dd/mm/yyyy.\n';
	if (lang1 == "0") errorMessage = 'Συμπληρώστε πραγματική ημερομηνία με τη μορφή dd/mm/yyyy.\n';
	if (lang1 == "1") errorMessage = 'Please enter a valid date formatted as dd/mm/yyyy.\n';
	if (fld.value!='') {
		if (fld.value.match(RegExPattern)) {
	//		alert('Date is OK');
		} else {
			alert(errorMessage);
			fld.focus();
			return false;
		}
	}
}

function ShowGroupTab (TabGroup, ActiveTab) {
    oData = document.getElementById(TabGroup);
    oDivs = oData.getElementsByTagName('DIV');
    if (ActiveTab == "all") {
        for (i = 0; i < oDivs.length; i++) {
        oDivs[i].style.display = 'block';
            }
    }
    else {
        for (i = 0; i < oDivs.length; i++) {
        oDivs[i].style.display = 'none';
            }
        if (document.getElementById(ActiveTab)) document.getElementById(ActiveTab).style.display = "block";
    }
}

function ToggleTab (ActiveTab) {
	oPlayer=document.getElementById('audioplayer1');
    oDiv = document.getElementById(ActiveTab);
    if (oDiv.style.display == "block") {
		oDiv.style.display = "none";
		oPlayer.SetVariable("closePlayer", 1); } 	
    else {
		oDiv.style.display = "block"; 	
		oPlayer.SetVariable("closePlayer", 0); }
}

function MM_openBrWindow(theURL,winName,features) { //v2.00
  window.open(theURL,winName,features);
}

function submitSmallMaillist () {
	if (document.smallmaillist.m_firstname.value == "" ||document.smallmaillist.m_firstname.value == "Ονοματεπώνυμο" || document.smallmaillist.m_email.value == "email" || document.smallmaillist.m_email.value == "") {
		alert("Παρακαλώ συμπληρώστε και τα δύο πεδία!");
		document.smallmaillist.m_firstname.focus();
	}
	else { window.open('about:blank', 'mailing', 'width=640,height=150,left=100,top=300,').focus();
			document.smallmaillist.submit();
	}
}