// JavaScript
var popupTimeInSeconds = 300;

function MWM2POPUPWriteCookie(name,value,days) 
{
	if (days) 
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	} else {
	    var expires = "";
	}
	document.cookie = name+"="+value+expires+"; path=/";
}
var timer
/* Method that show popup after x seconds */
function startPage() {
	var popupDateTime = MWM2POPUPReadCookie('popupDateTime')
    var noPopupPlease = MWM2POPUPReadCookie('noPopupPlease')
    var current = new Date();
    var timeToGo;
    
	if (!noPopupPlease) {
		if (popupDateTime && !noPopupPlease) { //popup datetime is set
			
			//calculate difference between popupDateTime and current DateTime
			timeToGo = popupDateTime - current.getTime();
		}
		else { //set popup datetime
			var popupDate = new Date();
			var timeToPopup = popupDate.getTime() + (popupTimeInSeconds * 1000)
			MWM2POPUPWriteCookie('popupDateTime', timeToPopup, 1);
			
			// set timeout
			timeToGo = popupTimeInSeconds * 1000;
		}

		if (timeToGo > 0) {
			timer = setTimeout(showPopup, timeToGo);
		} else {
			showPopup();
		}
	}
}


function MWM2POPUPReadCookie(name) 
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) 
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
	    
		if (c.indexOf(nameEQ) == 0)
		{
		    return c.substring(nameEQ.length,c.length);
		}
	}
	
	return null;
}

function MWM2POPUPEraseCookie(name)
{
    MWM2POPUPWriteCookie(name, "", -1);
}


function PopupCounter(link, title, sbody, imageUrl)
{

    popupDiv = document.createElement('div');
    popupDiv.id = 'MWM2POPUP';
    popupDiv.className='MWM2POPUP';

	var str = '<table border=0 cellpadding=5 cellspacing=3 width=340 align=center><tr>';
	str += '<td class="MWM2POPUPTopbar"><div class="MWM2POPUPTopbar" style="float:left;">' + title + '</div><div style="float:right;" class="MWM2POPUPCloseButton" onclick="document.getElementById(\'MWM2POPUP\').style.display=\'none\';MWM2POPUPWriteCookie(\'noPopupPlease\', true, 1)">&nbsp;</div></td>';
    str += '</tr>';
    str += '<td class=\"MWM2POPUPBody\"><img src=\"' + imageUrl + '\"></td></tr><tr><td>';
    str += sbody;
    str += '</td></tr><tr><td style=\"text-align:center\">';
    str += '<input type=button name=Ja value=\"Ja\" class="MWM2POPUPButtons MWM2POPUPButtonJA" onclick="MWM2PopupClickYes(\'' + link + '\')">';
    str += '<input type=button name=Nee value=\"Nee\" class="MWM2POPUPButtons MWM2POPUPButtonNEE" onclick="MWM2POPUPWriteCookie(\'noPopupPlease\', true, 2000);document.getElementById(\'MWM2POPUP\').style.display=\'none\';">';
//    popupDiv.innerHTML += '                </td></tr></table>';
    str += '</td>';
    str += '</tr>';
	str += '</table>';
	
	popupDiv.innerHTML = str

    document.body.insertBefore(popupDiv, document.body.childNodes[0]);

}

//-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
//
//                                          CHANGEBLE PARTS BELOW
//
//-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*

function MWM2PopupClickYes(link)
{
    MWM2POPUPWriteCookie('MWM2POPUPCounter',true,'2000');
    document.getElementById('MWM2POPUP').style.display='none';

    window.open(link,'MWM2Onderzoekapplicatie','resizable=1,width=800,height=600');
}

function NCpopup(){
	//startPage()
	false;
}

function showPopup()
{
	clearTimeout(timer)
    PopupCounter('http://net.mwm2.nl/go.aspx?vp=45F244E0-C7BC-4F4B-B752-23F875A89727', 
                 'gebruikersonderzoek www.4en5mei.nl', 
                 'Het Nationaal Comit&eacute; 4 en 5 mei wil graag uw mening weten over de website en nodigt u uit voor een onderzoek.<br />Het invullen kost ongeveer acht minuten van uw tijd. Bovendien maakt u kans op &eacute;&eacute;n van de tien dvd\'s van de film Oorlogswinter.<br />Wilt u meewerken aan dit onderzoek?',
                 'http://onderzoek.mwm2.nl/third/bmm/logo_nc.gif');
}