var ua = navigator.userAgent.toLowerCase();
var Version = parseInt(navigator.appVersion);
var isIE = ((ua.indexOf("msie") != -1) && (ua.indexOf("opera") == -1) && (ua.indexOf("webtv") == -1))? true:false;
var isIE5 = (isIE && (Version == 4) && (ua.indexOf("msie 5.0")!=-1));
var isIE55 = (isIE && (Version == 4) && (ua.indexOf("msie 5.5")!=-1));
var isMac = (navigator.appVersion.indexOf("Mac") != -1);
var isGecko = (ua.indexOf("gecko") != -1);


if ( document.all )
{
	function blink_show()
	{
		blink_tags  = document.all.tags('blink');
		blink_count = blink_tags.length;
		for ( i = 0; i < blink_count; i++ )
		{
			blink_tags[i].style.visibility = 'visible';
		}
		
		window.setTimeout( 'blink_hide()', 700 );
	}
	
	function blink_hide()
	{
		blink_tags  = document.all.tags('blink');
		blink_count = blink_tags.length;
		for ( i = 0; i < blink_count; i++ )
		{
			blink_tags[i].style.visibility = 'hidden';
		}
		
		window.setTimeout( 'blink_show()', 250 );
	}
	
	window.onload = blink_show;
}