// JavaScript Document
function PreLoad(obj,val) {
    var d = document;
    var img = obj;
    d.img = new Image();
    d.img.src = val;
}
//タブきりかえ
// <![CDATA[

var tab = {
	init: function(){
		var tabs = this.setup.tabs;
		var pages = this.setup.pages;
		
		for(i=0; i<pages.length; i++) {
			if(i !== 0) pages[i].style.display = 'none';
			tabs[i].onclick = function(){ tab.showpage(this); return false; };
		}
	},
	
	showpage: function(obj){
		var tabs = this.setup.tabs;
		var pages = this.setup.pages;
		var num;
		
		for(num=0; num<tabs.length; num++) {
			if(tabs[num] === obj) break;
		}
		
		for(var i=0; i<pages.length; i++) {
			if(i == num) {
				pages[num].style.display = 'block';
				tabs[num].className = 'present';
			}
			else{
				pages[i].style.display = 'none';
				tabs[i].className = null;
			}
		}
	}
}

// ]]>

//追記分きりかえ
function showHide(entryID, entryLink, htmlObj) {
  extTextDivID = ('Text' + (entryID));
  extLinkDivID = ('Link' + (entryID));
    if( document.getElementById ) {
    if( document.getElementById(extTextDivID).style.display ) {
      if( entryLink != 0 ) {
        document.getElementById(extTextDivID).style.display = "block";
        document.getElementById(extLinkDivID).style.display = "none";
        htmlObj.blur();
      } else { 
        document.getElementById(extTextDivID).style.display = "none";
        document.getElementById(extLinkDivID).style.display = "block";
      }
    } else {
      location.href = entryLink;
      return true;
    }
  } else {
    location.href = entryLink;
    return true;
  }
}