// JavaScript Document

function fndTab_swap (fndTab)
{   
	document.getElementById(fndTab + "_C").style.display=(document.getElementById(fndTab + "_C").style.display!="block")? "block" : "none"

	var bkgCheck = document.getElementById(fndTab + "_T").className.indexOf("close");
	theBkgToShow = "";
	
	if (bkgCheck < 1) 
	  {theBkgToShow = "open";}
	else 
	  {theBkgToShow = "close";}
	
	document.getElementById(fndTab + "_T").className=(theBkgToShow!="open")? "tabs_content" : "tabs_content_close"
	//alert(document.getElementById(fndTab + "_T").className);
	
	switch(fndTab) {
		case "tab_1": 
    document.getElementById("tab_1_C").style.display = "block";
	document.getElementById("tab_1_T").className = "tabs_content";
	document.getElementById("tab_2_C").style.display = "none";
	document.getElementById("tab_2_T").className = "tabs_content_close";
    document.getElementById("tab_3_C").style.display = "none";
	document.getElementById("tab_3_T").className = "tabs_content_close";
	document.getElementById("tab_4_C").style.display = "none";
	document.getElementById("tab_4_T").className = "tabs_content_close";
    	break;
		
		case "tab_2": 
    document.getElementById("tab_1_C").style.display = "none";
	document.getElementById("tab_1_T").className = "tabs_content_close";
	document.getElementById("tab_2_C").style.display = "block";
	document.getElementById("tab_2_T").className = "tabs_content";
    document.getElementById("tab_3_C").style.display = "none";
	document.getElementById("tab_3_T").className = "tabs_content_close";
	document.getElementById("tab_4_C").style.display = "none";
	document.getElementById("tab_4_T").className = "tabs_content_close";
    	break;
		
		case "tab_3": 
    document.getElementById("tab_1_C").style.display = "none";
	document.getElementById("tab_1_T").className = "tabs_content_close";
    document.getElementById("tab_2_C").style.display = "none";
	document.getElementById("tab_2_T").className = "tabs_content_close";
	document.getElementById("tab_3_C").style.display = "block";
	document.getElementById("tab_3_T").className = "tabs_content";
	document.getElementById("tab_4_C").style.display = "none";
	document.getElementById("tab_4_T").className = "tabs_content_close";
    	break;
		
		case "tab_4": 
    document.getElementById("tab_1_C").style.display = "none";
	document.getElementById("tab_1_T").className = "tabs_content_close";
    document.getElementById("tab_2_C").style.display = "none";
	document.getElementById("tab_2_T").className = "tabs_content_close";
	document.getElementById("tab_3_C").style.display = "none";
	document.getElementById("tab_3_T").className = "tabs_content_close";
	document.getElementById("tab_4_C").style.display = "block";
	document.getElementById("tab_4_T").className = "tabs_content";
    	break;
	}
}