function init(){
	
	document.getElementById("servicos").onmouseover = function(){document.getElementById("sub_servicos").style.display = 'block';}; 
	document.getElementById("servicos").onmouseout = function(){document.getElementById("sub_servicos").style.display = 'none';}; 
	document.getElementById("sub_servicos").onmouseout = function(){document.getElementById("sub_servicos").style.display = 'none';}; 
	document.getElementById("sub_servicos").onmouseover = function(){document.getElementById("sub_servicos").style.display = 'block';};

	
}

window.onload=init