var aboutMenu=false;
var aboutSub=false;
var aboutMenuI;
var aboutSubI;

var opsMenu=false;
var opsSub=false;
var opsMenuI;
var opsSubI;

var investMenu=false;
var investSub=false;
var investMenuI;
var investSubI;

var ownersMenu=false;
var ownersSub=false;
var ownersMenuI;
var ownersSubI;

var enviroMenu=false;
var enviroSub=false;
var enviroMenuI;
var enviroSubI;

$(document).ready(function(){
	
	/* about */
	$('.menuItem1').mouseover(
	  function () {
	  	if(aboutMenuI){clearInterval(aboutMenuI)};
	  	aboutMenu=true;
		if (aboutSub==false){
			$('.subList').slideDown(100);
		}else{
			if(aboutSubI){clearInterval(aboutSubI)};
		}
	  }
	);
	
	
	$('.menuItem1').mouseout(
	  function () {
	  	aboutMenuI = setInterval("if (aboutMenu==true && aboutSub==false){$('.subList').slideUp(100);}aboutMenu=false;clearInterval(aboutMenuI);", 10);
	  }
	);
	
	$('#sub_about').mouseenter(
	  function () {
	  	aboutSub=true;
	  }
	)
	
	$('#sub_about').mouseleave(
	  function () {
	  	aboutSub=false;
	  	 aboutSubI = setInterval("if (aboutMenu==false && aboutSub==false){$('.subList').slideUp(100);}aboutSub=false;clearInterval(aboutSubI);", 100);
	  }
	);
	
	
	
	/* operations */
	/*
	$('.menuItem2').mouseover(
	  function () {
	  	if(opsMenuI){clearInterval(opsMenuI)};
	  	opsMenu=true;
		if (opsSub==false){
			$('.subList2').slideDown(100);
		}else{
			if(opsSubI){clearInterval(opsSubI)};
		}
	  }
	);
	
	
	$('.menuItem2').mouseout(
	  function () {
	  	opsMenuI = setInterval("if (opsMenu==true && opsSub==false){$('.subList2').slideUp(100);}opsMenu=false;clearInterval(opsMenuI);", 10);
	  }
	);
	
	$('#sub_ops').mouseenter(
	  function () {
	  	opsSub=true;
	  }
	)
	
	$('#sub_ops').mouseleave(
	  function () {
	  	opsSub=false;
	  	 opsSubI = setInterval("if (opsMenu==false && opsSub==false){$('.subList2').slideUp(100);}opsSub=false;clearInterval(opsSubI);", 100);
	  }
	);
	*/
	
	/*investor relations */
	$('.menuItem3').mouseover(
	  function () {
	  	if(investMenuI){clearInterval(investMenuI)};
	  	investMenu=true;
		if (investSub==false){
			$('.subList3').slideDown(100);
		}else{
			if(investSubI){clearInterval(investSubI)};
		}
	  }
	);
	
	
	$('.menuItem3').mouseout(
	  function () {
	  	investMenuI = setInterval("if (investMenu==true && investSub==false){$('.subList3').slideUp(100);}investMenu=false;clearInterval(investMenuI);", 10);
	  }
	);
	
	$('#sub_invest').mouseenter(
	  function () {
	  	investSub=true;
	  }
	)
	
	$('#sub_invest').mouseleave(
	  function () {
	  	investSub=false;
	  	 investSubI = setInterval("if (investMenu==false && investSub==false){$('.subList3').slideUp(100);}investSub=false;clearInterval(investSubI);", 100);
	  }
	);
	
	/* royalty owners */
	$('.menuItem4').mouseover(
	  function () {
	  	if(ownersMenuI){clearInterval(ownersMenuI)};
	  	ownersMenu=true;
		if (ownersSub==false){
			$('.subList4').slideDown(100);
		}else{
			if(ownersSubI){clearInterval(ownersSubI)};
		}
	  }
	);
	
	
	$('.menuItem4').mouseout(
	  function () {
	  	ownersMenuI = setInterval("if (ownersMenu==true && ownersSub==false){$('.subList4').slideUp(100);}ownersMenu=false;clearInterval(ownersMenuI);", 10);
	  }
	);
	
	$('#sub_owners').mouseenter(
	  function () {
	  	ownersSub=true;
	  }
	)
	
	$('#sub_owners').mouseleave(
	  function () {
	  	ownersSub=false;
	  	 ownersSubI = setInterval("if (ownersMenu==false && ownersSub==false){$('.subList4').slideUp(100);}ownersSub=false;clearInterval(ownersSubI);", 100);
	  }
	);
	
	/* environmental health and saftey */
	$('.menuItem5').mouseover(
	  function () {
	  	if(enviroMenuI){clearInterval(enviroMenuI)};
	  	enviroMenu=true;
		if (enviroSub==false){
			$('.subList5').slideDown(100);
		}else{
			if(enviroSubI){clearInterval(enviroSubI)};
		}
	  }
	);
	
	
	$('.menuItem5').mouseout(
	  function () {
	  	enviroMenuI = setInterval("if (enviroMenu==true && enviroSub==false){$('.subList5').slideUp(100);}enviroMenu=false;clearInterval(enviroMenuI);", 10);
	  }
	);
	
	$('#sub_enviro').mouseenter(
	  function () {
	  	enviroSub=true;
	  }
	)
	
	$('#sub_enviro').mouseleave(
	  function () {
	  	enviroSub=false;
		enviroSubI = setInterval("if (enviroMenu==false && enviroSub==false){$('.subList5').slideUp(100);}enviroSub=false;clearInterval(enviroSubI);", 100);
	  }
	);
	
});