/*
Use for loading images
*/
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) { //v4.0
  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 && document.getElementById) x=document.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];}
}

//<a href="yourpage.html" onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage('img1','','../images/image2.jpg',1)"><img name="img1" border="0" src="../images/image1.jpg" width="187" height="40"></a>

function newwindow(filename, thename) { 
path = 'items/'+filename;
chess_window = window.open(path,thename,'width=500,height=440,resizable=no'); 
chess_window.moveTo(screen.width/2-250,screen.height/2-220)
} 


/*
Use for displaying copyright
*/
var copyright=new Date();
var update=copyright.getFullYear();

function copyright_in_white(level){
    if((level == null) || (level<=0)){
    	return "<a href='ygm/copyright.html'><span class='copyright_white'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span></a>";
    }
    else if(level == 1){
    	return "<a href='../ygm/copyright.html'><span class='copyright_white'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span></a>";
    }
    else if(level == 2){
    	return "<a href='../../ygm/copyright.html'><span class='copyright_white'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span></a>";
    }
    else if(level == 3){
    	return "<a href='../../../ygm/copyright.html'><span class='copyright_white'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span></a>";
    }
    else if(level == 4){
    	return "<a href='../../../../ygm/copyright.html'><span class='copyright_white'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span></a>";
    }
    else if(level == 5){
    	return "<a href='../../../../../ygm/copyright.html'><span class='copyright_white'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span></a>";
    }
    else if(level == 6){
    	return "<a href='../../../../../../ygm/copyright.html'><span class='copyright_white'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span></a>";
    }
    else if(level == 7){
    	return "<a href='../../../../../../../ygm/copyright.html'><span class='copyright_white'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span></a>";
    }    
    else{
    	return "<a href='ygm/copyright.html'><span class='copyright_white'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span></a>";
    }
}

function copyright_in_gray(level){
    if((level == null) || (level<=0)){
    	return "<a href='ygm/copyright.html'><span class='copyright_gray'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span></a>";
    }
    else if(level == 1){
        return "<a href='../ygm/copyright.html'><span class='copyright_gray'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span></a>";
    }
    else if(level == 2){
    	return "<a href='../../ygm/copyright.html'><span class='copyright_gray'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span></a>";
    }
    else if(level == 3){
    	return "<a href='../../../ygm/copyright.html'><span class='copyright_gray'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span></a>";
    }
    else if(level == 4){
    	return "<a href='../../../../ygm/copyright.html'><span class='copyright_gray'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span></a>";
    }
    else if(level == 5){
    	return "<a href='../../../../../ygm/copyright.html'><span class='copyright_gray'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span></a>";
    }
    else if(level == 6){
    	return "<a href='../../../../../../ygm/copyright.html'><span class='copyright_gray'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span></a>";
    }
    else if(level == 7){
    	return "<a href='../../../../../../../ygm/copyright.html'><span class='copyright_gray'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span></a>";
    }
    else{
    	return "<a href='ygm/copyright.html'><span class='copyright_gray'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span></a>";
    }
}

function copyright_in_gray_no_link(level){
    if((level == null) || (level<=0)){
    	return "<span class='copyright_gray'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span>";
    }
    else if(level == 1){
        return "<span class='copyright_gray'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span>";
    }
    else{
    	return "<span class='copyright_gray'>Copyright &copy; 2001-"+ update + " Ygmweb.org. All rights reserved.</span>";
    }
}