/*****************************************************************
 * 新規ウィンドウ(ページ中央に)
 *****************************************************************/

function OpenNewWin(theURL,winName,W,H){
  x = (screen.availWidth - W)/2;
  y = (screen.availHeight - H)/2;
  feature = "width=" + W + ",height=" + H + ",top=" + y +",left=" + x + ",status=no,resizable=yes";
  newwin = window.open(theURL,winName,feature);
  newwin.focus();
}






/*****************************************************************
 * ポップアップレイヤー(ページ中央に)
 * 
 *****************************************************************/
function showlayer(idName, w, h){
    var objLoadingImage = document.getElementById(idName);
    var arrayPageSize = getPageSize();
    var arrayPageScroll = getPageScroll();
    
    // center layer
    objLoadingImage.style.top = (arrayPageScroll[1] + ((arrayPageSize[3] - h) / 2) + 'px');
    objLoadingImage.style.left = (((arrayPageSize[0] - w) / 2) + 'px');
    objLoadingImage.style.width = w + 'px';
    objLoadingImage.style.height = h + 'px';
    objLoadingImage.style.visibility = "visible";
    //objLoadingImage.style.display = 'block';
    
}

function closelayer(idName){
    document.getElementById(idName).style.visibility = "hidden";
}





//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.org
//
function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}



//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.org
// Edit for Firefox by pHaez
//
function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}