function Grise(login, tracker, border, background, text1, text2, text3, text4, text5, popup, niche, num) {
var objBody = document.getElementsByTagName("body").item(0);

var arrayPageSize = getPageSize();
var arrayPageScroll = getPageScroll();

// create overlay div and hardcode some functional styles (aesthetic styles are in CSS file)
var objOverlay = document.createElement("div");
objOverlay.setAttribute('id','kc_fpa_overlay');
objOverlay.style.backgroundColor = '#333333';
objOverlay.style.opacity = 0.8;
objOverlay.style.filter = 'alpha(opacity=80)';
objOverlay.onclick = function () {hideLightbox(0); return false;}
objOverlay.style.position = 'absolute';
objOverlay.style.top = '0';
objOverlay.style.left = '0';
objOverlay.style.zIndex = '90';
objOverlay.style.width = (arrayPageSize[2] + 'px');
objOverlay.style.height = (arrayPageSize[1] + 'px');
objBody.insertBefore(objOverlay, objBody.firstChild);
objOverlay.style.display = 'block';



// create lightbox div, same note about styles as above
var objLightbox = document.createElement("div");
objLightbox.setAttribute('id','kc_fpa_formlightbox');
objLightbox.innerHTML = '<IFRAME NAME="AccesCharmiX" WIDTH=670 HEIGHT=390 TOPMARGIN=0 MARGINWIDTH=0 MARGINHEIGHT=0 HSPACE=0 VSPACE=0 FRAMEBORDER=0 SCROLLING=NO ALLOWTRANSPARENCY=TRUE SRC="http://www.accesporno.com/fpa/kc_fpa_go2.php?login=' + login + '&tracker=' + tracker + '&border=' + border + '&background=' + background + '&text1=' + text1 + '&text2=' + text2 + '&text3=' + text3 + '&text4=' + text4 + '&text5=' + text5 + '&popup=' + popup + '&n=' + niche + '&num=' + num + '"></IFRAME>';
objLightbox.style.position = 'absolute';
objLightbox.style.zIndex = '100';

//	objLightbox.style.top = ((((arrayPageSize[3] - 670) / 2) + 70) + 'px');
//	objLightbox.style.left = ((((arrayPageSize[2] - 390) / 2) - 100) + 'px');
objLightbox.style.top = (arrayPageScroll[1] + ((arrayPageSize[3] - 390) / 2) + 'px');
objLightbox.style.left = (((arrayPageSize[0] - 670) / 2) + 'px');
objBody.insertBefore(objLightbox, objOverlay.nextSibling);
objBody.style.display = 'block';
Recentre(objLightbox);
}

function Recentre() {
    var fenetre = document.getElementById('kc_fpa_formlightbox');
    var arrayPageSize = getPageSize();
    var arrayPageScroll = getPageScroll();
    fenetre.style.top = (arrayPageScroll[1] + ((arrayPageSize[3] - 390) / 2) + 'px');
    setTimeout('Recentre()',100);
}

function hideLightbox(src)
{
	// get objects
	if(src == 0) { // pour capter l'id depuis la page courante
	    objOverlay = document.getElementById('kc_fpa_overlay');
	    objLightbox = document.getElementById('kc_fpa_formlightbox');
	    selects = document.getElementsByTagName("select");
	}
	else if(src == 1) {
	    objOverlay = parent.document.getElementById('kc_fpa_overlay');
	    objLightbox = parent.document.getElementById('kc_fpa_formlightbox');
	    selects = parent.document.getElementsByTagName("select");
	}
	// hide lightbox and overlay
	objOverlay.style.display = 'none';
	objLightbox.style.display = 'none';
	
	// make select boxes visible
	//selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
	    selects[i].style.visibility = "visible";
	}

        // disable keypress listener
        document.onkeypress = '';
}

function getPageScroll(){

        var yScroll;

        if (self.pageYOffset) {
                yScroll = self.pageYOffset;
        } else if (document.documentElement && document.documentElement.scrollTop){      // Explorer 6 Strict
                yScroll = document.documentElement.scrollTop;
        } else if (document.body) {// all other Explorers
                yScroll = document.body.scrollTop;
        }

        arrayPageScroll = new Array('',yScroll)
        return arrayPageScroll;
}

function getPageSize(){

        var xScroll, yScroll;

        if (window.innerHeight && window.scrollMaxY) {
                xScroll = document.body.scrollWidth;
                yScroll = window.innerHeight + window.scrollMaxY;
        } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
                xScroll = document.body.scrollWidth;
                yScroll = document.body.scrollHeight;
        } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
                xScroll = document.body.offsetWidth;
                yScroll = document.body.offsetHeight;
        }

        var windowWidth, windowHeight;
        if (self.innerHeight) { // all except Explorer
                windowWidth = self.innerWidth;
                windowHeight = self.innerHeight;
        } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
                windowWidth = document.documentElement.clientWidth;
                windowHeight = document.documentElement.clientHeight;
        } else if (document.body) { // other Explorers
                windowWidth = document.body.clientWidth;
                windowHeight = document.body.clientHeight;
        }

        // for small pages with total height less then height of the viewport
        if(yScroll < windowHeight){
                pageHeight = windowHeight;
        } else {
                pageHeight = yScroll;
        }

        // for small pages with total width less then width of the viewport
        if(xScroll < windowWidth){
                pageWidth = windowWidth;
        } else {
                pageWidth = xScroll;
        }


        arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight)
        return arrayPageSize;
}