// JavaScript Document


// scroll up

function scroller(i){
		scroller_up(i,1000);
}
	
function scroller_up(i,y){
	y = y + (i - y)*.1;
	window.scroll(0,y);
	if (((i - y) <= .6)&&((i - y) >= -.6))
	{					
		y = i;
	}else{
		setTimeout("scroller_up("+i+","+y+")",1);
	}
}

function scroller_e(i){
	y = 1;
	kyoukai = i*.6;
	while(y <= kyoukai)
	{
		window.scroll(0,y);
		y = y + (y*.08);
    }
	while(y != i)
	{
		window.scroll(0,y);
		y = y + (i-y)*.08;
		if (((i - y) <= .6)&&((i - y) >= -.6))
		{					
			y = i;
		}		
	}
}


// copyright year
		
		
function CopyRightYear(){
	var now = new Date();
	var year = now.getFullYear();
	document.write(year);
}




// random img


 	var img1 = new Image();
  	var img2 = new Image();
	
	img1.src = "img/home/main_img01.jpg";
	img2.src = "img/home/main_img02.jpg";

	
	function imgDisp(){
		iValue = Math.random() * 2;
		rNumber = Math.ceil(iValue);
		if(rNumber==0)  rNumber++;
		document.image1.src = eval("img" + rNumber + ".src");
		}




//　simplerollover

function simpleRollover() {  
    if(document.getElementsByTagName) {  
        var images = document.getElementsByTagName("img");  
        for(var i=0; i < images.length; i++) {  
            if(images[i].getAttribute("src").match("_off."))  
            {  
                images[i].onmouseover = function() {  
                    this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));  
                }  
                images[i].onmouseout = function() {  
                    this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));  
                }  
            }  
        }  
    }  
}  
if(window.addEventListener) {  
    window.addEventListener("load", simpleRollover, false);  
}  
else if(window.attachEvent) {  
    window.attachEvent("onload", simpleRollover);  
}  






// newswindow open

 function newsWin(theURL, winName,features) {
  var winFocus;
  winFocus = window.open(theURL,winName,features);
  winFocus.focus();
  }