$(document).ready(function(){
	var thisContent = "";
	var name = "mod";	
	var urlParameter = new RegExp('[\\?&]' + name + '=([^&#]*)').exec(window.location.href);	
	
	if(urlParameter != null){
		var thisContent = urlParameter[1];
	}
	
	//About Us
	$("#about_us").hover(
		function(){
			if(thisContent != "aboutus"){
				$(this).find("a:eq(0)").find("img:eq(0)").attr("src", "images/top_navigation_menu/aboutus_over.jpg");
			}
			
			$("#about_us_sub_menu").css("display", "block");
			
			$("#aboutus_background_alliances").hover(
				function(){
					$(this).find("a img").attr("src", "images/top_navigation_menu/aboutus_background_alliances_hover.png");
				},
				function(){
					$(this).find("a img").attr("src", "images/top_navigation_menu/aboutus_background_alliances.png");
				}
			);

			$("#aboutus_logo_rationale").hover(
				function(){
					$(this).find("a img").attr("src", "images/top_navigation_menu/aboutus_logo_rationale_hover.png");
				},
				function(){
					$(this).find("a img").attr("src", "images/top_navigation_menu/aboutus_logo_rationale.png");
				}
			);
			
			$("#aboutus_vision_mission").hover(
				function(){
					$(this).find("a img").attr("src", "images/top_navigation_menu/aboutus_vision_mission_hover.png");
				},
				function(){
					$(this).find("a img").attr("src", "images/top_navigation_menu/aboutus_vision_mission.png");
				}
			);
			
			$("#aboutus_quality_assurance").hover(
				function(){
					$(this).find("a img").attr("src", "images/top_navigation_menu/aboutus_quality_assurance_hover.png");
				},
				function(){
					$(this).find("a img").attr("src", "images/top_navigation_menu/aboutus_quality_assurance.png");
				}
			);
		},
		function(){
			if(thisContent != "aboutus"){
				$(this).find("a:eq(0)").find("img:eq(0)").attr("src", "images/top_navigation_menu/aboutus.jpg");
			}			
			
			$("#about_us_sub_menu").css("display", "none");
		}
	);
	
	//Products
	$("#products").hover(
		function(){
			if(thisContent != "products"){
				$(this).find("a:eq(0)").find(" img:eq(0)").attr("src", "images/top_navigation_menu/products_over.jpg");
			}
			
			$("#products_sub_menu").css("display", "block");
			
			$("#products_ptm").hover(
				function(){
					$(this).find("a img").attr("src", "images/top_navigation_menu/products_ptm_hover.png");
				},
				function(){
					$(this).find("a img").attr("src", "images/top_navigation_menu/products_ptm.png");
				}
			);
			
			$("#products_mqa").hover(
				function(){
					$(this).find("a img").attr("src", "images/top_navigation_menu/products_mqa_hover.png");
				},
				function(){
					$(this).find("a img").attr("src", "images/top_navigation_menu/products_mqa.png");
				}
			);
		},
		function(){
			if(thisContent != "products"){
				$(this).find("a:eq(0)").find(" img:eq(0)").attr("src", "images/top_navigation_menu/products.jpg");
			}			
			
			$("#products_sub_menu").css("display", "none");
		}
	);
	
	//Process
	$("#process").hover(
		function(){
			if(thisContent != "process"){
				$(this).find("a img").attr("src", "images/top_navigation_menu/process_over.jpg");
			}			
		},
		function(){
			if(thisContent != "process"){
				$(this).find("a img").attr("src", "images/top_navigation_menu/process.jpg");
			}
		}
	);
	
	//Announcement
	$("#announcement").hover(
		function(){
			if(thisContent != "announcement"){
				$(this).find("a img").attr("src", "images/top_navigation_menu/announcement_over.jpg");
			}			
		},
		function(){
			if(thisContent != "announcement"){
				$(this).find("a img").attr("src", "images/top_navigation_menu/announcement.jpg");
			}
		}
	);
	
	//Contact Us
	$("#contact_us").hover(
		function(){
			if(thisContent != "contactus"){
				$(this).find("a img").attr("src", "images/top_navigation_menu/contactus_over.jpg");
			}			
		},
		function(){
			if(thisContent != "contactus"){
				$(this).find("a img").attr("src", "images/top_navigation_menu/contactus.jpg");
			}
		}
	);
});