function stristr( haystack, needle, bool ) {

    var pos = 0;

    pos = haystack.toLowerCase().indexOf( needle.toLowerCase() );
    if( pos == -1 ){
        return false;
    } else{
        if( bool ){
            return haystack.substr( 0, pos );
        } else{
            return haystack.slice( pos );
        }
    }
}





function fixPNG(element)
{
	if (/MSIE (5\.5|6).+Win/.test(navigator.userAgent))
	{
		var src;

		if (element.tagName=='IMG')
		{
			if (/\.png$/.test(element.src))
			{
				src = element.src;
				element.src = "/images/blank.gif";
			}
		}
		else
		{
			src = element.currentStyle.backgroundImage.match(/url\("(.+\.png)"\)/i)
			if (src)
			{
				src = src[1];
				element.runtimeStyle.backgroundImage="none";
			}
		}

		if (src) element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='scale')";
	}
}

var HidderMenuTimer = new Array();
function MenuOver(obj)
  {
    idt = stristr(obj.id, '_area', true);
    document.getElementById(idt+'_hover').className='show';
    document.getElementById(idt).className='hide';
  }

function MenuOut(obj)
  {
    idt = stristr(obj.id, '_area', true);
    document.getElementById(idt+'_hover').className='hide';
    document.getElementById(idt).className='show';
  }