function toggle(div_id) {
	var el = document.getElementById(div_id);
	if ( el.style.display == 'none' ) {	el.style.display = 'block';}
	else {el.style.display = 'none';}
}
function blanket_size(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportheight = window.innerHeight;
	} else {
		viewportheight = document.documentElement.clientHeight;
	}
	if ((viewportheight > document.body.parentNode.scrollHeight) && (viewportheight > document.body.parentNode.clientHeight)) {
		blanket_height = viewportheight;
	} else {
		if (document.body.parentNode.clientHeight > document.body.parentNode.scrollHeight) {
			blanket_height = document.body.parentNode.clientHeight;
		} else {
			blanket_height = document.body.parentNode.scrollHeight;
		}
	}
	//var blanket = document.getElementById('blanket');
	//blanket.style.height = blanket_height + 'px';
	//var popUpDiv = document.getElementById(popUpDivVar);
	//popUpDiv_height=blanket_height/2-75; 
	//popUpDiv_height= screen.height/2-85;
	//150 is half popup's height
	
	var y = document.body.clientHeight;
	document.getElementById("blanket").style.height = y //+ screen.height - 190
	

	//alert(y +"-"+screen.height)
	document.getElementById("popUpDiv").style.top = y /2-85 +'px'
	//popUpDiv.style.top = popUpDiv_height + 'px';
	
	
}
function window_pos(popUpDivVar) {
	
	
	
	if (typeof window.innerWidth != 'undefined') {
		viewportwidth = window.innerHeight;
	} else {
		viewportwidth = document.documentElement.clientHeight;
	}
	if ((viewportwidth > document.body.parentNode.scrollWidth) && (viewportwidth > document.body.parentNode.clientWidth)) {
		window_width = viewportwidth;
	} else {
		if (document.body.parentNode.clientWidth > document.body.parentNode.scrollWidth) {
			window_width = document.body.parentNode.clientWidth;
		} else {
			window_width = document.body.parentNode.scrollWidth;
		}
	}
	var popUpDiv = document.getElementById(popUpDivVar);
	window_width=window_width/2-150;
	//250 é metade do width do div
	popUpDiv.style.left = window_width + 'px';
}
function popup(user, windowname) {
	
	if (user == "0"){
		document.getElementById('respPop').value = ""
		document.getElementById('mainPop').value = "Enviar mensagem..."
		document.getElementById('pop_resposta').innerHTML= "";
	}else{
	document.getElementById('respPop').value = user
	}
	
	blanket_size(windowname);
	window_pos(windowname);
	toggle('blanket');
	toggle(windowname);		
}