// JavaScript Document


// ad_slider
var ad_slider = new Object();

ad_slider.obj = null;
ad_slider.offsetX = 0;

ad_slider.ansPt;
ad_slider.minX = 129;      //繧ｹ繝ｩ繧､繝峨ヰ繝ｼ縺ｮ蟾ｦ遶ｯ遘ｻ蜍暮剞逡・
ad_slider.maxX = 272;     //繧ｹ繝ｩ繧､繝峨ヰ繝ｼ縺ｮ蜿ｳ遶ｯ遘ｻ蜍暮剞逡・
ad_slider.min_size = 10;  //繝輔か繝ｳ繝域怙蟆丞€､
ad_slider.max_size = 17;  //繝輔か繝ｳ繝域怙螟ｧ蛟､

ad_slider.ofsBodyX;


ad_slider.$ = function(tagId)
{return document.getElementById(tagId);}

ad_slider.init = function(left,right,min,max,def){
//onload
	 var perX;

	 //螟画焚蛻晄悄蛹・
   ad_slider.minX = left;
   ad_slider.maxX = right;
   ad_slider.min_size = min;
   ad_slider.max_size = max;
	 
	 
	 ad_cookie = ad_slider.cookie_get("font_size","","","","","");
  // alert(ad_cookie);
   
   if(ad_cookie!=""){def = ad_cookie;}
	 
	 document.body.style.fontSize = def+"px";
	 
	 //繝・ヵ繧ｩ繝ｫ繝医ヵ繧ｩ繝ｳ繝医し繧､繧ｺ縺九ｉ繝昴ず繧ｷ繝ｧ繝ｳ繧呈ｱｺ繧√ｋ
	 perX = (def-min)/(max-min);
	 ad_slider.$("slider").style.left = parseInt((ad_slider.maxX-ad_slider.minX)*perX + ad_slider.minX) + "px";


   ad_slider.ofsBodyX = ad_slider.$("slider_field").offsetLeft;

	 //ad_slider.obj.style.left
   ad_slider.$("slider").onmousedown = ad_slider.onMouseDown;
   document.onmousemove = ad_slider.onMouseMove;
   document.onmouseup = ad_slider.onMouseUp;
   
   
}

ad_slider.onMouseDown = function(e) {
   ad_slider.obj = this;
   if (document.all) {
      ad_slider.offsetX = event.offsetX+2;
   } else if (ad_slider.obj.getElementsByTagName) {
      ad_slider.offsetX = e.pageX - parseInt(ad_slider.obj.style.left);
   }
   return false;
}
ad_slider.onMouseMove = function(e) {
   if (!ad_slider.obj) {
      return true;
   }
   //ad_slider.$("mes").innerHTML = ad_slider.obj.style.left;
   //ad_slider.$("ans").innerHTML = ad_slider.ansPt;

   ad_slider.ofsBodyX = ad_slider.$("slider_field").offsetLeft;


   if (document.all) {
		var posX = event.clientX - ad_slider.offsetX + document.body.scrollLeft - ad_slider.ofsBodyX;
		var perX;
		if(posX<ad_slider.minX)posX= ad_slider.minX;
		if(posX>ad_slider.maxX)posX= ad_slider.maxX;
		ad_slider.obj.style.left = posX + "px";
		perX = (posX-ad_slider.minX) / (ad_slider.maxX-ad_slider.minX);
		ad_slider.ansPt = parseInt((ad_slider.max_size-ad_slider.min_size)*perX + ad_slider.min_size);
		
   } else if (ad_slider.obj.getElementsByTagName) {
   		var posX = e.pageX - ad_slider.offsetX;
		var perX;
		if(posX<ad_slider.minX)posX= ad_slider.minX;
		if(posX>ad_slider.maxX)posX= ad_slider.maxX;
		ad_slider.obj.style.left = posX + "px";
		perX = (posX-ad_slider.minX) / (ad_slider.maxX-ad_slider.minX);
		ad_slider.ansPt = parseInt((ad_slider.max_size-ad_slider.min_size)*perX + ad_slider.min_size);
   }
   
   ad_slider.cookie_cl("font_size");
	 ad_slider.cookie_set("font_size",ad_slider.ansPt,"");
   
   document.body.style.fontSize = ad_slider.ansPt+"px";
   
   
   return false;

}

ad_slider.onMouseUp = function(e) {
   ad_slider.obj = null;
}



ad_slider.cookie_get = function(key,  tmp1, tmp2, xx1, xx2, xx3){
     tmp1 = " " + document.cookie + ";";
     xx1 = xx2 = 0;
     len = tmp1.length;
     while (xx1 < len) {
         xx2 = tmp1.indexOf(";", xx1);
         tmp2 = tmp1.substring(xx1 + 1, xx2);
         xx3 = tmp2.indexOf("=");
         if (tmp2.substring(0, xx3) == key) {
             return(unescape(tmp2.substring(xx3 + 1, xx2 - xx1 - 1)));
         }
         xx1 = xx2 + 1;
     }
     return("");
}


ad_slider.cookie_set = function(key, val, tmp){
     tmp = key + "=" + escape(val) + "; ";
     tmp += "path=/; ";
     document.cookie = tmp;
}


ad_slider.cookie_cl = function(key){
     document.cookie = key + "=" + "xx; expires=Tue, 1-Jan-1980 00:00:00;";
}






// ロールオーバー


function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}