var iDelaySlide = 6000 ; // ms
var iDelayOpacity = 80 ; // ms
var rotate_index = 0 ; // int
var rotate_interval = null;
var timer = null;



function news_nav( iPos ){
	if( !document.getElementById ){
		return ;
	}

	rotate_index += iPos ;
	if( rotate_index < 0 ) rotate_index = news_content.length - 1;
	if( rotate_index > news_content.length - 1) rotate_index =  0;

	if ( rotate_interval ){
		news_pause() ;
	}

	if ( timer ){
		news_opcty(100);
	}

	with( document ) {
		var el_img = getElementById( "elem_img" );
		var el_ftr = getElementById( "elem_ftr" );
		var el_lnk1 =  getElementById( "elem_link1" );
		var el_lnk2 =  getElementById( "elem_link2" );
	}

	
	el_img.src = news_content[ rotate_index ][0];
	el_lnk1.href = news_content[ rotate_index ][1];
	el_lnk2.href = news_content[ rotate_index ][1];
	el_ftr.innerHTML = news_content[ rotate_index ][2] ;
	el_img.alt = news_content[ rotate_index ][2];
	if( news_content[ rotate_index ][3] == 'POPUP' ) { 
		el_lnk1.target = '_blank' ; 
		el_lnk2.target = '_blank' ; 
	}
	else
	{
		el_lnk1.target = '_parent' ; 
		el_lnk2.target = '_parent' ; 
	}
	news_opcty(10);
	news_rotate();
}

function news_opcty( iOpacity ){
	var curLayer = document.getElementById('elem_img');
	iOpacity == null ? iOpacity = 0 : iOpacity += 10;
	curLayer.style.opacity = iOpacity / 100 ;
	curLayer.style.filter = 'alpha(opacity=' + iOpacity + ')';
	if( iOpacity < 100 ) {
		timer = setTimeout('news_opcty(' + iOpacity + ')', iDelayOpacity);
	} else {
		clearTimeout(timer);
		timer = null ;
		news_reset();
	}
}

function news_reset(){
	iOpacity = 99;
	var curLayer = document.getElementById('elem_img');
	curLayer.style.opacity = (iOpacity / 100);
	curLayer.style.filter = 'alpha(opacity=' + iOpacity + ')';
}

function news_rotate(){
	rotate_interval = window.setInterval('news_nav(1)', iDelaySlide);

}

function news_pause(){
	if ( rotate_interval ){
		clearInterval( rotate_interval );
		rotate_interval = null ;
	}
	else{
		news_nav(1) ;
	}
}

function news_preload(a){
	var d = document;
	if(d.images) {
		if(!d.mm) d.mm = new Array();
		var i, j = d.mm.length ;
		for( i = 0; i < a.length; i++ ){
			if ( a[i][1].indexOf("#") != 0 ){
				d.mm[j] = new Image;
				d.mm[j++].src = a[i][1];
			}
		}
	}
}