// JavaScript Document
var gHeight;
var gIE  = false;
var gIE6 = false;

function f_PageLoad(){
	var wa = navigator.userAgent;
	var wHit = wa.indexOf("MSIE");
	gIE = (wHit >=  0);
	gIE6 = gIE && (wa.substr(wHit+5, 1) == "6") && (document.compatMode=="CSS1Compat");
	f_SizeChanged();
}

function f_SizeChanged(){ /* 表示領域のサイズの取得 */
	if (gIE6) { /* IE6 */
		wHeight = document.documentElement.clientHeight;
		document.getElementById("loginbut").src="img/gobut2.png";
	} else if (gIE) { /* 〜IE5.5 */
		wHeight = document.body.clientHeight;
		wHeight=document.getElementsByTagName("html")[0].clientHeight;
	} else {/* IE以外(FireFox等) */
		wHeight = window.innerHeight;
	}
	//var tdheight=(wHeight-499)/2;
	var tdheight=wHeight;
	//alert(wHeight);
	if(tdheight<0){
		document.getElementById("td1").height=10+"px";
		//document.getElementById("td2").height=10+"px";
	}else{
		document.getElementById("td1").height=wHeight-5+"px";
		//document.getElementById("td2").height=tdheight+"px";
	}
}
function mycheck(flg){
	switch(flg){
		case myPAGEID[1]:
			//alert(document.test1.tx_title.value);
			showhide(myPAGEID[1]);
			break;
		default :
			break;
	}
}