/***********************************************************************
* show or not show element
* Usage  : 
* <a href="javascript:setBlockDisplay('ELEID');">set on/off by click</a>
* <div id="ELEID" style='display:none;'>
* -
* </div>
***********************************************************************/
function setBlockDisplay(eId){
	var trgt;
	if(trgt = document.getElementById(eId)){
		if(trgt.style.display == 'block'){
			trgt.style.display = 'none';
		}
		else{
			trgt.style.display = 'block';
		}
	}
//	return false;
}
/***********************************************************************
* swap block display element
* Usage  : 
* <a href="javascript:swpBlockDisplay('ELEID1', 'ELEID2');">set on/off by click</a>
* <div id="ELEID1" style='display:block;'>
* -
* </div>
* <div id="ELEID2" style='display:none;'>
* -
* </div>
***********************************************************************/
function swpBlockDisplay(eId1, eId2){
	var trgt1;
	var trgt2;
	if((trgt1 = document.getElementById(eId1)) && (trgt2 = document.getElementById(eId2))){
		if(trgt1.style.display == 'block'){
			trgt1.style.display = 'none';
			trgt2.style.display = 'block';
		}
		else{
			trgt1.style.display = 'block';
			trgt2.style.display = 'none';
		}
	}
	else
		alert("Can not find elements : " + eId1 + " / " + eId2);
//	return false;
}
/***********************************************************************
* End of file.
***********************************************************************/