var is_dom=(document.getElementById) ? 1 : 0;

var bg_over='#ffc0d9';
var bg_over_dum='#fafafa'

function p_load_single(path)
{
	var a=new Image();
	a.src=path;
	return a;
}

function p_load(path)
{
	var ar=path.split(".");
	var a=new Object();
	a.norm=p_load_single(path);
	a.over=p_load_single(ar[0]+"_a."+ar[1]);
	return a;
}

var bgs=[];
bgs[0]=p_load_single('/i/m/abg.gif');
bgs[1]=p_load_single('/i/m/lbg.gif');
bgs[2]=p_load_single('/i/m/ibg.gif');
bgs[3]=p_load_single('/i/m/nbg.gif');
bgs[4]=p_load_single('/i/m/atbg.gif');

function swap_img(n,state)
{
	document.images['m'+n].src=(state) ? im[n].over.src : im[n].norm.src;
}

function menu_over(num,state)
{
	if(is_dom)
	{
		var obj=document.getElementById('mbg'+num);
		var obj2=document.getElementById('dummbg'+num);
		obj.style.backgroundColor=(state) ? bg_over : 'transparent';
		if(obj2) obj2.style.backgroundColor=(state) ? bg_over_dum : 'transparent';
	}
}

function nw(oFile,wWidth,wHeight)
{
	var cWidth=window.screen.width;
	var cHeight=window.screen.height;
	if(cHeight && cWidth){
		var leftOffset=Math.ceil((cWidth-wWidth)/2);
		var topOffset=Math.ceil((cHeight-wHeight)/2);
		var a=window.open(oFile, set_name(oFile), 'width='+wWidth+',height='+wHeight+',top='+topOffset+',left=' + leftOffset);
		a.focus();
	}
	return false;
}

function set_name(str)
{
	var new_str='';
	var my_char='';
	for(var i=0;i<str.length;i++)
	{
		my_char=str.substr(i,1);
		if(my_char!='/' && my_char!='.' && my_char!='?' && my_char!='=') new_str+=my_char;
	}
	return new_str;
}