var IE = document.all ? true : false;
if (!IE) document.captureEvents(Event.MOUSEMOVE)

function imageUpopen(url, wit, hei) {
	
	// obter os elementos
	el_div = document.getElementById("imageup");
	el_img = document.getElementById("imageup_img");
	
	// definir dimensoes e src da imagem
	el_img.style.width  = wit + "px";
	el_img.style.height	= hei + "px";
	el_img.src = url;
	
	// definir dimensoes da div
	el_div.style.width  = wit + "px";
	el_div.style.height	= hei + "px";
		
	// definir distancia ao topo
	if(IE && document.body.clientHeight) hgt = document.body.clientHeight;
    else hgt = (IE)?document.documentElement.clientHeight:window.innerHeight;

    hgt = hgt / 2;

    if(IE && document.body.scrollTop) sclTop = document.body.scrollTop;
    else sclTop = (IE)?document.documentElement.scrollTop:window.pageYOffset;

	hgt = sclTop + hgt - (parseInt(el_img.style.height) / 2);
	
	if(IE) hgt = hgt - 50;
	
	el_div.style.top = hgt + "px";

    // definir distancia a esquerda
    /*
    
    if(IE && document.body.clientWidth) wdt = document.body.clientWidth;
    else wdt = (IE)?document.documentElement.clientWidth:window.innerWidth;

    wdt = wdt / 2;
    
    el_div.style.left = wdt - ( parseInt(el_img.style.width) / 2 ) + "px";
    
    */
    
    el_div.style.left = "25%";
        
    // mostrar a imagem
    el_div.style.visibility = "visible";
	el_div.style.display	= "block";
	
}

function imageUpClose() {
	
	// esconder a imagem
    el_div.style.visibility = "hidden";
	el_div.style.display	= "none";
	
	el_img.src = "/include/spacer.gif";
	
}

function getMouseXY(e) {

    if (IE) { // obter a posicao do ponteiro para o IE
        tempX = event.clientX + document.body.scrollLeft;
        tempY = event.clientY + document.body.scrollTop;
    } else {  // obter a posicao do ponteiro para outros browsers
        tempX = e.pageX;
        tempY = e.pageY;
    }
    if (tempX < 0){tempX = 0;}
    if (tempY < 0){tempY = 0;}

    return true;
}

document.onmousemove = getMouseXY;