// dans la page qui appelle l'iframe

// cela vient de mon site nyams.planbweb.com
var dimension_detect=function(){var d={'viewW':0,'viewH':0,'docH':0,'docW':0,'left':0,'top':0};if(document.body.scrollHeight>document.body.offsetHeight){d.docW=document.body.scrollWidth;d.docH=document.body.scrollHeight;}else{d.docW=document.body.offsetWidth;d.docH=document.body.offsetHeight;}if(self.innerWidth){d.viewW=self.innerWidth;d.viewH=self.innerHeight;d.left=window.pageXOffset;d.top=window.pageYOffset;}else{var ie=(document.compatMode&&document.compatMode!='BackCompat')?document.documentElement:document.body;d.viewW=ie.clientWidth;d.viewH=ie.clientHeight;d.left=ie.scrollLeft;d.top=ie.scrollTop;}return d;};

//popunder using an iframe
var open_popunder = function(z){ 
	var d = dimension_detect(); 
	var s = document.getElementById('shadow'); 
	s.style.display='block'; 
	s.style.width=d.docW+30+'px'; 
	s.style.height=d.docH+'px';
	document.body.style.overflow = 'hidden';
	document.getElementsByTagName('html')[0].style.overflow='hidden';
	document.getElementById('popunder').src = z;  
};

//popupunder/iframe positionning according to its parent
var toggle_popup=function(){
	var shadow = document.getElementById('shadow'), iframe = document.getElementById('popunder'), d = dimension_detect();
	if (iframe.style.display == 'block') {
		shadow.style.display = 'none';
		iframe.style.display = 'none';
		document.body.style.overflow = 'auto';
		document.getElementsByTagName('html')[0].style.overflow='auto';
	} else {
		iframe.style.display = 'block';
		var d2 = frames['popunder'].dimension_detect();
		iframe.style.width  = d2.docW+'px';
		iframe.style.height = d2.docH+'px';
		iframe.style.top    = d.top+100+'px';
		iframe.style.left   = parseInt((d.viewW-d2.docH)/2,10)+'px';
	}
};

// raccourcis
function open_popunder_join(i) {
	open_popunder('/join2.php?fond_gris=1&toggle=1&saw='+i);
	return false;
}

// pour simplifier l'appel
document.write('<div id="shadow" style="position:absolute; top:0; left:0; z-index:50; width:100%; height:100%; opacity:.4; filter:alpha(opacity=40); background:#000; color:#fff; display:none">&nbsp;</div>');
document.write('<iframe scrolling="no" frameborder="0" id="popunder" name="popunder" src="" style="display:none; position:absolute; top:0; left:0; z-index:55; background:transparent; overflow:hidden;"></iframe>');

/*
//html de la page qui appelle l'iframe

//js dans la page appelée iframe appelee
(recopier aussi dimension_detect() )
//enable popupunder/iframe positionning according to its parent frame
var toggle_popunder = function(){ 
	if (window.parent && window.parent.toggle_popup) { 
		window.parent.toggle_popup(); 
	} 
};
if (/&toggle=1/.test(window.location.search)) window.onload=toggle_popunder;

*/