function change_news_main(gbn) {
	var gbn;
	var mainPhotos1 = document.getElementById('mainPhoto1');
	var mainPhotos2 = document.getElementById('mainPhoto2');
	var mainPhotos3 = document.getElementById('mainPhoto3');

	if(gbn == 1){
		mainPhotos1.style.display = "";
		mainPhotos2.style.display = "none";
		mainPhotos3.style.display = "none";
	}
	else if(gbn == 2){
		mainPhotos1.style.display = "none";
		mainPhotos2.style.display = "";
		mainPhotos3.style.display = "none";
	}
	else{
		mainPhotos1.style.display = "none";
		mainPhotos2.style.display = "none";
		mainPhotos3.style.display = "";
	}
}


function change_news_tmain(gbn) {
	var gbn;
	var mainPhotos1 = document.getElementById('tmainPhoto1');
	var mainPhotos2 = document.getElementById('tmainPhoto2');
	var mainPhotos3 = document.getElementById('tmainPhoto3');
	var mainPhotos4 = document.getElementById('tmainPhoto4');

	if(gbn == 1){
		mainPhotos1.style.display = "";
		mainPhotos2.style.display = "none";
		mainPhotos3.style.display = "none";
		mainPhotos4.style.display = "none";
	}
	else if(gbn == 2){
		mainPhotos1.style.display = "none";
		mainPhotos2.style.display = "";
		mainPhotos3.style.display = "none";
		mainPhotos4.style.display = "none";
	}
	else if(gbn == 3){
		mainPhotos1.style.display = "none";
		mainPhotos2.style.display = "none";
		mainPhotos3.style.display = "";
		mainPhotos4.style.display = "none";
	}
	else{
		mainPhotos1.style.display = "none";
		mainPhotos2.style.display = "none";
		mainPhotos3.style.display = "none";
		mainPhotos4.style.display = "";
	}
}


function change_news_top(gbn) {
	var gbn = gbn;
	var top_divs1 = document.getElementById('top_divs1');
	var top_divs2 = document.getElementById('top_divs2');
	var top_divs3 = document.getElementById('top_divs3');

	if(gbn == 1){
		top_divs1.style.display = "";
		top_divs2.style.display = "none";
		top_divs3.style.display = "none";
	}
	else if(gbn == 2){
		top_divs1.style.display = "none";
		top_divs2.style.display = "";
		top_divs3.style.display = "none";
	}
	else{
		top_divs1.style.display = "none";
		top_divs2.style.display = "none";
		top_divs3.style.display = "";
	}
}



var tmpvalue = 1;
function view_main() {
	tmpvalue = tmpvalue + 1;
    change_news_top(tmpvalue);        
	if (tmpvalue > 3) {
        tmpvalue = 1;
    }
}
var timerID = setInterval('view_main()',5000);