$(document).ready(function()     {  
     
        $(".contact_maritime_motors").click(function(){	 
			$("#div_contact_maritime_motors").toggle(); 
			
			var cur = $('img#nav1').attr("check");  
			if(cur=='1'){
				$('img#nav1').attr("src","/WEB-INF/resources/images/zoom_out.png");
				$('img#nav1').attr("check","2"); 
			}else{
				$('img#nav1').attr("src","/WEB-INF/resources/images/zoom_in.png");
				$('img#nav1').attr("check","1"); 
			}
			
        });   
        $(".contact_maritime_travel").click(function(){	 
			$("#div_contact_maritime_travel").toggle();
			
			var cur = $('img#nav2').attr("check");  
			if(cur=='1'){
				$('img#nav2').attr("src","/WEB-INF/resources/images/zoom_out.png");
				$('img#nav2').attr("check","2"); 
			}else{
				$('img#nav2').attr("src","/WEB-INF/resources/images/zoom_in.png");
				$('img#nav2').attr("check","1"); 
			}
        });   
         
 
        $(".contact_melcher").click(function(){	 
			$("#div_contact_melcher").toggle();
			
			var cur = $('img#nav3').attr("check");  
			if(cur=='1'){
				$('img#nav3').attr("src","/WEB-INF/resources/images/zoom_out.png");
				$('img#nav3').attr("check","2"); 
			}else{
				$('img#nav3').attr("src","/WEB-INF/resources/images/zoom_in.png");
				$('img#nav3').attr("check","1"); 
			}
        });   
         
 


});