function showans(self,id) {
  var ans = document.getElementById(id);
  if (ans) {
    if (ans.style.display == 'none') {
      ans.style.display = "";
    }
    else {
      ans.style.display = "none";
    }
  }
}


//checkURL
function checkOpener(){
	var tURL = document.URL;
	var opCheck = tURL.indexOf("?");
	if(opCheck !== -1){
		var targetNum = tURL.substring(opCheck + 1);
		showans(document.getElementById("ir_a_ques"+targetNum),("faq"+targetNum));
	}else{
		return;
	}
}

/*OnLoad*/
if (window.addEventListener) {  /* Firefox,Safari,Opera */  
    window.addEventListener("load", checkOpener, false); 
}   
 else if (window.attachEvent) {  /* IE4, IE5, IE6, IE7 */  
     window.attachEvent("onload", checkOpener);  
}      
 else if (document.getElementById || document.all) {  
     window.onload = checkOpener;  
}