/* JavaScript Document */

/*  
 * @Author Bruno Dias
 * Mariz Comunicação Integrada
 *
 */
 
function getId(id)
{
	var idE = id;
	if(document.getElementById)
	{
		return document.getElementById(idE);
	} else {
		alert("Elemento não existe.");
	}
}

function screenSettings(propriety)
{
	var result;
	switch (propriety)
	{
		case "width":
			result = document.documentElement.clientWidth;
		break;
		case "height":
			result = document.documentElement.clientHeight;
		break;
	}
	
	return result;
}

function onCenter(id_)
{
	var ObjId = new getId(id_);
	// alert("alinhando "+ObjId.id);
	
	var getX = ObjId.offsetWidth;
	// alert("a="+getX);
	
	var getY = ObjId.offsetHeight;
	// alert("b="+getY);
	
	var calcX = ((screenSettings("width")/2)-(getX/2));
	var calcY = ((screenSettings("height")/2)-(getY/2));
	// alert("calcX="+((screenSettings("width")/2)-(getX/2)));
	// alert("calcY="+((screenSettings("height")/2)-(getY/2)));
	
	ObjId.style.left = calcX + 'px';
	ObjId.style.top = calcY + 'px';
}