function newWin(nameImg,width,height){
	LeftPosition = (screen.width) ? (screen.width-width)/2 : 0;
 	TopPosition = (screen.height) ? (screen.height-height)/2 : 0;
	win=open("","",'height='+height+',width='+width+',top='+TopPosition+',left='+LeftPosition);
	win.document.write('<body leftmargin=0 topmargin=0 marginwidth=0 marginheight=0><table cellpadding=0 cellspacing=0 border=0><tr><td><img src="'+nameImg+'" style="cursor:hand;" onclick="window.close();" alt=""></td></tr></table></body></html>');
  	win.document.close();
}

function newWinHtml(urlHtml,width,height){
	LeftPosition = (screen.width) ? (screen.width-width)/2 : 0;
 	TopPosition = (screen.height) ? (screen.height-height)/2 : 0;
	win=open(urlHtml,"",'height='+height+',width='+width+',top='+TopPosition+',left='+LeftPosition);
}

function open_window(link,w,h) {
 LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
 TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
 var win = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',menubar=no,location=no,scrollbars=yes,resizable=yes';
 newWin = window.open(link,'newWin'+w+h,win);
} 

function toggleDiv(it){
	$('#'+it).css('display', $('#'+it).css('display') == 'none' ? 'block' : 'none');
}

var cur_subs = 1;

function setActiveSubscribeTab(it) {
	$('#subscribe'+cur_subs).css('display', 'none');
	$('#subscribe'+it).css('display', 'block');
	cur_subs = it;
}

function changePrice(value, tabno) {
	$('#subs_price'+tabno).html(subscription_prices[value]);
}

function switc(obj) {
	if (document.getElementById) {
		var el = document.getElementById(obj);
		if (el.style.display != "block") {
			el.style.display = "block";
		} else {
			el.style.display = "none";
		}
	}
}


function issue_change_year(y) {
	if (CURRENT_ISSUE_YEAR != 0) {
		$("#ayear"+CURRENT_ISSUE_YEAR).html('<a href="javascript:void(0);" onClick="issue_change_year(\''+CURRENT_ISSUE_YEAR+'\');">'+CURRENT_ISSUE_YEAR+'</a>');
		$("#ylist"+CURRENT_ISSUE_YEAR).css("display", "none");
	}
	$("#ayear"+y).html(y);
	$("#ylist"+y).css("display", "block");
	CURRENT_ISSUE_YEAR = y;
}



//	submitting subscription form (/subscribe/ page)
function submitFrm(nfrm, text) {
	var error_text = '';
	var frm = document.getElementById(nfrm);
	for (var i = 0; i < frm.elements.length; i++) {
		el = frm.elements[i];
		if (frm.elements[i].value == '') {
			error_text = text;
		}
	}
	if (error_text) {
		alert(error_text);
	} else {
		frm.action = '/subscribe/';//'+frm.type.value;
		frm.submit();
	}
}
