//PageTop Motion Script ---------------------

MODE = 2;
SPEED = 10;

SCROLLMOVE = null;
IE7CHECK = navigator.userAgent;
IE7CHECK = IE7CHECK.indexOf("MSIE 7.0",0);

function goToTop(){
	var yy = getScreenY();
	if(yy>0){
		if(MODE == 1){ yy -= SPEED; }
		else{ var editY = yy/SPEED; yy -= editY; yy = Math.floor(yy); }
		toTop(yy); SCROLLMOVE = setTimeout("goToTop()",1);
	}
	else{ clearTimeout(SCROLLMOVE); return; }
}

function toTop(snum){
	if(document.all && (IE7CHECK == -1)){
		document.body.scrollTop = snum;
	}else{
		window.scrollTo(0,snum);
	}
}

function getScreenY(){
	if(IE7CHECK !== -1){
		return document.documentElement.scrollTop;
	}else if(document.all){
		return document.body.scrollTop;
	}else{
		return window.pageYOffset;
	}
}

function SearchBox(type){
	var targetID = 'searchbox0' + type; 
	var targetSlecter = document.getElementById(targetID);
	if(targetSlecter.style.display == 'block'){
		targetSlecter.style.display = 'none';
		document.getElementById('greybg').style.display = 'none';
	}else{
		document.getElementById('greybg').style.display = 'block';
		targetSlecter.style.display = 'block';
	}
}

function DisplayEdit(id){

	var targetSlecter = document.getElementById(id);
	if(targetSlecter.style.display == ''){
		targetSlecter.style.display = 'none';
	}else{
		targetSlecter.style.display = '';
	}

}


function DisplayReset(id){

	var targetSlecter = document.getElementById(id);
	targetSlecter.style.display = 'none';


}

function chimg(filename,target){
	document.images[target].src = filename;
}