function gNaviCtl(t)	{
	var target = "sNavi0" + t;
	for(var i=1; i<=5; i++){
		var a = "sNavi0" + i;
			if (document.getElementById(a) != null){
				document.getElementById(a).style.display='none';
			}
		}
    if (t != 0){
			if(target == "sNavi03"){
			}else{
				document.getElementById(target).style.display='block';
			}
		}
	}

/* png Type */
function setPng24(object) {
    object.width=object.height=1;
	object.className=object.className.replace(/\bpng24\b/i,'');
    object.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+ object.src +"',sizingMethod='image');"
    object.src='';
    return '';
}