/**
 * @author adamyardley
 */
var timeout	= 300;
var closetimer	= 0;	
var ddmenuitem	= 0;
var idclose= 'dropdownabout';
function test(){
	alert('test');
}
function menuOver(id, idlink){
	
	if(id == 'dropdownabout'){
		mclose('dropdownnews');
		mclose('dropdowninvest');
		mclose('dropdowncareers');
		mclose('dropdownvessels');
	}
	if(id == 'dropdownnews'){
		mclose('dropdownabout'); 
		mclose('dropdowninvest');
		mclose('dropdowncareers');
		mclose('dropdownvessels');
	}
	if(id == 'dropdowninvest'){
		mclose('dropdownabout'); 
		mclose('dropdownnews');
		mclose('dropdowncareers');
		mclose('dropdownvessels');
	}
	if(id == 'dropdowncareers'){
		mclose('dropdownabout'); 
		mclose('dropdownnews');
		mclose('dropdowninvest');
		mclose('dropdownvessels');
	}
	if(id == 'dropdownvessels'){
		mclose('dropdownabout'); 
		mclose('dropdownnews');
		mclose('dropdowninvest');
		mclose('dropdowncareers');
	}
	mcancelclosetime();
	
	var menu = document.getElementById(id);
	var about = document.getElementById(idlink);
	if (navigator.appName == "Microsoft Internet Explorer") {
		//alert(screen.width);
		menu.style.left = about.offsetLeft + 150+  'px';
		
		menu.style.top = about.offsetHeight + 154 + 'px';
	}else{
		menu.style.left = about.offsetLeft + 0 +  'px';
		menu.style.top = about.offsetHeight + 160 + 'px';
	}
	
	menu.style.visibility = 'visible';
	//alert(menu.style.left);
}



function mclose(id)
{
	var menu = document.getElementById(id);
	if(menu) menu.style.visibility = 'hidden';
}

function mclosetime(id)
{
	var func = 'mclose(\''+id+'\')';
	closetimer = window.setTimeout(func, timeout);
}


function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}
function searchempty(){
	var search = document.getElementById('search').value = "";
}
function allmclose(){
	var search = document.getElementById('search').value = 'Seach Seajacks.com!'
		mclose('dropdownvessels');
		mclose('dropdownabout'); 
		mclose('dropdownnews');
		mclose('dropdowninvest');
		mclose('dropdowncareers');
}

document.onclick = allmclose(); 
var curopcacity = 100;
var ratio = -2;

function changePic(id){
	var newsrc = document.getElementById(id).src;
	var el = document.getElementById('mainPic');
	var el2 = document.getElementById('mainalt');
	el.src = newsrc;
	el2.innerHTML = document.getElementById(id).alt;
	
}

function link(id) { 

	var sel = document.getElementById(id);
	var num = sel.selectedIndex;
	
	window.location = sel.options[num].value;
}