// JavaScript Document

var preLoad = ['images/navigation/bend_bottom.gif','images/navigation/bend_top.gif','images/navigation/off_off.gif','images/navigation/off_on.gif','images/navigation/on_off.gif','images/navigation/on_on.gif','images/navigation/capabilities.gif','images/navigation/capabilities_on.gif','images/navigation/contact_on.gif','images/navigation/contact.gif','images/navigation/engineering_on.gif','images/navigation/engineering.gif','images/navigation/operations_on.gif','images/navigation/operations.gif','images/navigation/about_on.gif','images/navigation/about.gif','images/navigation/quality_on.gif',,'images/navigation/quality.gif','images/navigation/shadow.jpg','images/navigation/news_on.gif',,'images/navigation/news.gif','images/navigation/home_on.gif',,'images/navigation/home.gif'];

function imageLoad(imageURL){

    if (document.images){

       	var i = 0;
		var preload_image_object = new Array();
		
    	for(i=0; i<=imageURL.length; i++){
			preload_image_object[i] = new Image();
    		preload_image_object[i].src = imageURL[i];
	   	}
		
    }
  
}

function navigation(str){
	
	if(str == 'about'){
		if(about == 'off'){
			$('#' + str).attr( 'src' , 'images/navigation/' + str + '.gif');
		}
		
		if(about == 'off' && capabilities == 'off'){
			$('#' + 'abo_cap').attr( 'src' , 'images/navigation/' + 'off_off' + '.gif');
		}else if(about == 'off' && capabilities == 'on'){
			$('#' + 'abo_cap').attr( 'src' , 'images/navigation/' + 'off_on' + '.gif');
		}
		
	}
	
	if(str == 'capabilities'){
		if(about == 'off' && capabilities == 'off'){
			$('#' + 'abo_cap').attr( 'src' , 'images/navigation/' + 'off_off' + '.gif');
		}else if(about == 'on' && capabilities == 'off'){
			$('#' + 'abo_cap').attr( 'src' , 'images/navigation/' + 'on_off' + '.gif');
		}
		
		
		if(capabilities == 'off'){
			$('#' + str).attr( 'src' , 'images/navigation/' + str + '.gif');
		}
		
		if(capabilities == 'off' && engineering == 'off'){
			$('#' + 'cap_eng').attr( 'src' , 'images/navigation/' + 'off_off' + '.gif');
		}else if(capabilities == 'off' && engineering == 'on'){
			$('#' + 'cap_eng').attr( 'src' , 'images/navigation/' + 'off_on' + '.gif');
		}
		
	}
	
	if(str == 'engineering'){
		
		if(capabilities == 'off' && engineering == 'off'){
			$('#' + 'cap_eng').attr( 'src' , 'images/navigation/' + 'off_off' + '.gif');
		}else if(capabilities == 'on' && engineering == 'off'){
			$('#' + 'cap_eng').attr( 'src' , 'images/navigation/' + 'on_off' + '.gif');
		}
		
		if(engineering == 'off'){
			$('#' + str).attr( 'src' , 'images/navigation/' + str + '.gif');
		}
		
		if(engineering == 'off' && operations == 'off'){
			$('#' + 'eng_ope').attr( 'src' , 'images/navigation/' + 'off_off' + '.gif');
		}else if(engineering == 'off' && operations == 'on'){
			$('#' + 'eng_ope').attr( 'src' , 'images/navigation/' + 'off_on' + '.gif');
		}
		
	}
	
	if(str == 'operations'){
		
		if(engineering == 'off' && operations == 'off'){
			$('#' + 'eng_ope').attr( 'src' , 'images/navigation/' + 'off_off' + '.gif');
		}else if(engineering == 'on' && operations == 'off'){
			$('#' + 'eng_ope').attr( 'src' , 'images/navigation/' + 'on_off' + '.gif');
		}
		
		if(operations == 'off'){
			$('#' + str).attr( 'src' , 'images/navigation/' + str + '.gif');
		}
		
		if(operations == 'off' && quality == 'off'){
			$('#' + 'ope_qua').attr( 'src' , 'images/navigation/' + 'off_off' + '.gif');
		}else if(operations == 'off' && quality == 'on'){
			$('#' + 'ope_qua').attr( 'src' , 'images/navigation/' + 'off_on' + '.gif');
		}
		
	}
	
	if(str == 'quality'){
		
		if(operations == 'off' && quality == 'off'){
			$('#' + 'ope_qua').attr( 'src' , 'images/navigation/' + 'off_off' + '.gif');
		}else if(operations == 'on' && quality == 'off'){
			$('#' + 'ope_qua').attr( 'src' , 'images/navigation/' + 'on_off' + '.gif');
		}
		
		if(quality == 'off'){
			$('#' + str).attr( 'src' , 'images/navigation/' + str + '.gif');
		}
	}
	
	if(str == 'news'){
		
		if(news == 'off'){
			$('#' + str).attr( 'src' , 'images/navigation/' + str + '.gif');
		}
		
		if(news == 'off' && contact == 'off'){
			$('#' + 'new_con').attr( 'src' , 'images/navigation/' + 'off_off' + '.gif');
		}else if(news == 'off' && contact == 'on'){
			$('#' + 'new_con').attr( 'src' , 'images/navigation/' + 'off_on' + '.gif');
		}
	}
	
	if(str == 'contact'){
		
		if(news == 'off' && contact == 'off'){
			$('#' + 'new_con').attr( 'src' , 'images/navigation/' + 'off_off' + '.gif');
		}else if(news == 'on' && contact == 'off'){
			$('#' + 'new_con').attr( 'src' , 'images/navigation/' + 'on_off' + '.gif');
		}
		
		if(contact == 'off'){
			$('#' + str).attr( 'src' , 'images/navigation/' + str + '.gif');
		}
		
		if(contact == 'off' && homes == 'off'){
			$('#' + 'con_hom').attr( 'src' , 'images/navigation/' + 'off_off' + '.gif');
		}else if(contact == 'off' && homes == 'on'){
			$('#' + 'con_hom').attr( 'src' , 'images/navigation/' + 'off_on' + '.gif');
		}
	}
	
	if(str == 'home'){
		
		if(contact == 'off' && homes == 'off'){
			$('#' + 'con_hom').attr( 'src' , 'images/navigation/' + 'off_off' + '.gif');
		}else if(contact == 'on' && homes == 'off'){
			$('#' + 'con_hom').attr( 'src' , 'images/navigation/' + 'on_off' + '.gif');
		}
		
		if(homes == 'off'){
			$('#' + str).attr( 'src' , 'images/navigation/' + str + '.gif');
		}
	}
	
}

function navigationOn(str){
	
	if(str == 'about'){
		$('#' + str).attr( 'src' , 'images/navigation/' + str + '_on.gif');
		
		if(capabilities == 'off'){
			$('#' + 'abo_cap').attr( 'src' , 'images/navigation/' + 'on_off' + '.gif');
		}else if(about == 'off' && capabilities == 'on'){
			$('#' + 'abo_cap').attr( 'src' , 'images/navigation/' + 'on_on' + '.gif');
		}
		
	}
	
	if(str == 'capabilities'){
		if(about == 'off'){
			$('#' + 'abo_cap').attr( 'src' , 'images/navigation/' + 'off_on' + '.gif');
		}else if(about == 'on' && capabilities == 'off'){
			$('#' + 'abo_cap').attr( 'src' , 'images/navigation/' + 'on_on' + '.gif');
		}
		
		
		$('#' + str).attr( 'src' , 'images/navigation/' + str + '_on.gif');
		
		if(engineering == 'off'){
			$('#' + 'cap_eng').attr( 'src' , 'images/navigation/' + 'on_off' + '.gif');
		}else if(capabilities == 'off' && engineering == 'on'){
			$('#' + 'cap_eng').attr( 'src' , 'images/navigation/' + 'on_on' + '.gif');
		}
		
	}
	
	if(str == 'engineering'){
		
		if(capabilities == 'off'){
			$('#' + 'cap_eng').attr( 'src' , 'images/navigation/' + 'off_on' + '.gif');
		}else if(capabilities == 'on' && engineering == 'off'){
			$('#' + 'cap_eng').attr( 'src' , 'images/navigation/' + 'on_on' + '.gif');
		}
		
		$('#' + str).attr( 'src' , 'images/navigation/' + str + '_on.gif');
		
		if(operations == 'off'){
			$('#' + 'eng_ope').attr( 'src' , 'images/navigation/' + 'on_off' + '.gif');
		}else if(engineering == 'off' && operations == 'on'){
			$('#' + 'eng_ope').attr( 'src' , 'images/navigation/' + 'on_on' + '.gif');
		}
		
	}
	
	if(str == 'operations'){
		
		if(engineering == 'off'){
			$('#' + 'eng_ope').attr( 'src' , 'images/navigation/' + 'off_on' + '.gif');
		}else if(engineering == 'on' && operations == 'off'){
			$('#' + 'eng_ope').attr( 'src' , 'images/navigation/' + 'on_on' + '.gif');
		}
		
		$('#' + str).attr( 'src' , 'images/navigation/' + str + '_on.gif');
		
		if(quality == 'off'){
			$('#' + 'ope_qua').attr( 'src' , 'images/navigation/' + 'on_off' + '.gif');
		}else if(operations == 'off' && quality == 'on'){
			$('#' + 'ope_qua').attr( 'src' , 'images/navigation/' + 'on_on' + '.gif');
		}
		
	}
	
	if(str == 'quality'){
		
		if(operations == 'off'){
			$('#' + 'ope_qua').attr( 'src' , 'images/navigation/' + 'off_on' + '.gif');
		}else if(operations == 'on' && quality == 'off'){
			$('#' + 'ope_qua').attr( 'src' , 'images/navigation/' + 'on_on' + '.gif');
		}
		
		$('#' + str).attr( 'src' , 'images/navigation/' + str + '_on.gif');
	}
	
	if(str == 'news'){
		
		$('#' + str).attr( 'src' , 'images/navigation/' + str + '_on.gif');
		
		if(contact == 'off'){
			$('#' + 'new_con').attr( 'src' , 'images/navigation/' + 'on_off' + '.gif');
		}else if(news == 'off' && contact == 'on'){
			$('#' + 'new_con').attr( 'src' , 'images/navigation/' + 'on_on' + '.gif');
		}
	}
	
	if(str == 'contact'){
		
		if(news == 'off'){
			$('#' + 'new_con').attr( 'src' , 'images/navigation/' + 'off_on' + '.gif');
		}else if(news == 'on' && contact == 'off'){
			$('#' + 'new_con').attr( 'src' , 'images/navigation/' + 'on_on' + '.gif');
		}
		
		$('#' + str).attr( 'src' , 'images/navigation/' + str + '_on.gif');
		
		if(homes == 'off'){
			$('#' + 'con_hom').attr( 'src' , 'images/navigation/' + 'on_off' + '.gif');
		}else if(contact == 'off' && homes == 'on'){
			$('#' + 'con_hom').attr( 'src' , 'images/navigation/' + 'on_on' + '.gif');
		}
	}
	
	if(str == 'home'){
		
		if(contact == 'off'){
			$('#' + 'con_hom').attr( 'src' , 'images/navigation/' + 'off_on' + '.gif');
		}else{
			$('#' + 'con_hom').attr( 'src' , 'images/navigation/' + 'on_on' + '.gif');
		}
		
		$('#' + str).attr( 'src' , 'images/navigation/' + str + '_on.gif');
	}
	
}

function subNav(str, str2){
		
	if(subL[str] == 'off'){
		$('#' + 'subLink' + str).attr( 'src' , 'images/subNavigation/' + str2 + '.gif');
	}
		
}

function subNavOn(str, str2){
	
	if(subL[str] == 'off'){
		$('#' + 'subLink' + str).attr( 'src' , 'images/subNavigation/' + str2 + '_on.gif');
	}
	
}

imageLoad(preLoad);