function init(){

	document.getElementById("btProd").onmouseover = function(){document.getElementById("subMenu").style.display = 'block';}; 
	document.getElementById("btProd").onmouseout = function(){document.getElementById("subMenu").style.display = 'none';}; 
	document.getElementById("subMenu").onmouseout = function(){document.getElementById("subMenu").style.display = 'none';}; 
	document.getElementById("subMenu").onmouseover = function(){document.getElementById("subMenu").style.display = 'block';};
	
	/*SUB MENU INST*/
	
document.getElementById("btServ").onmouseover = function(){document.getElementById("subServicos").style.display = 'block';}; 
	document.getElementById("btServ").onmouseout = function(){document.getElementById("subServicos").style.display = 'none';}; 
	document.getElementById("subServicos").onmouseout = function(){document.getElementById("subServicos").style.display = 'none';}; 
	document.getElementById("subServicos").onmouseover = function(){document.getElementById("subServicos").style.display = 'block';};
	
}

window.onload=init