$( document ).on('click',"#alternateAddress",function(){
	 
    if($("#alternateAddress").prop('checked') == true)
	 {  
	 	var f_name  =$("#firstName").val();
		var l_name  =$("#lastName").val();
		var address1=$("#address1").val();
		var address2=$("#address2").val();
		var city	=$("#city").val();
		var state	=$("#state").val();
		var zipCode	=$("#zipCode").val();
		
		var alternateAddress = "";
	    if(f_name!=null && f_name!="undefined" && f_name!="")
	    {
	    	
		    alternateAddress=alternateAddress+f_name;
	    	if(l_name!=null && l_name!="undefined" && l_name!="")
	    		{
	    		alternateAddress=alternateAddress+" "+l_name+"\n";
	    		}
	    	else
	    		{
	    		alternateAddress=alternateAddress+"\n";
	    		}
	    }
	    else if( l_name!=null && l_name!="undefined" && l_name!="" )
    	{
	    	alternateAddress=alternateAddress+l_name+"\n";
    	}    	
		if(address1!=null && address1!="undefined" && address1!="")
		{
			alternateAddress=alternateAddress+address1+"\n";
		}
		if(address2!=null && address2!="undefined" && address2!="")
		{
			alternateAddress=alternateAddress+address2+"\n";
		}
		if(city!=null && city!="undefined"&& city!="")
		{
			alternateAddress=alternateAddress+city;
			if(state!=null && state!="undefined" && state!="")
			{
				alternateAddress=alternateAddress+","+state;
				if(zipCode!=null && zipCode!="undefined" && zipCode!="")
					{
					alternateAddress=alternateAddress+" "+zipCode;
					}
			}
			else if(zipCode!=null && zipCode!="undefined" && zipCode!="")
			{
				alternateAddress=alternateAddress+" "+zipCode;
			}
		}
		else if(state!=null && state!="undefined" && state!="")
		{
			alternateAddress=alternateAddress+state;
			if(zipCode!=null && zipCode!="undefined" && zipCode!="")
			{
				alternateAddress=alternateAddress+" "+zipCode;
			}
		}
		else if(zipCode!=null && zipCode!="undefined" && zipCode!="")
		{
			alternateAddress=alternateAddress+zipCode;
		}
		$("#alternateAddressTextArea").val(alternateAddress);
		$('#alternateAddressTextArea').prop('readonly', true);
		
	}
    else
    {
	    $("#alternateAddressTextArea").val("");  
	    $('#alternateAddressTextArea').prop('readonly', false);	
    }
  });