var h2;
var w2;
var w;
var h;
var iswide=2;
var backindex=0;
var testindex=0;

 
var background = new Object();
var background = {image:backs[0].image, width:backs[0].width, height:backs[0].height};
 
var test = new Object();
var test = {image:tests[0].image, quote:tests[0].quote, author:tests[0].author, info:tests[0].info};



function shift(){
    setTimeout('slide_in()', 12000);
}

function slide_in(){
    $("#newsscroll").animate({marginLeft:"300px"}, 1000, function(){
    	document.getElementById('scroll_img').src=test.image;
    	document.getElementById('scroll_quote').innerHTML=test.quote;
    	document.getElementById('scroll_author').innerHTML=test.author;
    	document.getElementById('scroll_info').innerHTML=test.info;
    	change_test(1);
        $("#newsscroll").animate({marginLeft:"0px"}, 1000, function(){
            setTimeout('slide_in()', 12000);
        });
    });

}

function viewport_shift(){
	setTimeout('slide_in()', 3000);
	viewport();
}

function change_back(change_val) { 
    backindex=(backindex+change_val+backs.length)%backs.length;
    background.image=backs[backindex].image;
    background.width=backs[backindex].width;
    background.height=backs[backindex].height;
    iswide=2;
    viewport();
}

function change_test(change_val) { 
	testindex=(testindex+1+tests.length)%tests.length;
	test.image=tests[testindex].image;
	test.quote=tests[testindex].quote;
	test.author=tests[testindex].author;
	test.info=tests[testindex].info;
}

function viewport()
{

 if (typeof window.innerWidth != 'undefined')
 {
      w = window.innerWidth,
      h = window.innerHeight
 }

 else if (typeof document.documentElement != 'undefined'
     && typeof document.documentElement.clientWidth !=
     'undefined' && document.documentElement.clientWidth != 0)
 {
       w = document.documentElement.clientWidth,
       h = document.documentElement.clientHeight
 }

 else
 {
       w = document.getElementsByTagName('body')[0].clientWidth,
       h = document.getElementsByTagName('body')[0].clientHeight
 }

//alert('w='+w+' and h='+h+' and bw='+background.width+' and bh='+background.height+' and iswide='+iswide);

if ((w/h > (background.width/background.height)) && (iswide!=1)){
    document.getElementById('bg').innerHTML="<img src='" + background.image + "' width='100%' alt='' />";
    iswide=1;
}else if ((w/h <= (background.width/background.height)) && (iswide!=0)){
    document.getElementById('bg').innerHTML="<img src='" + background.image + "' height='100%' alt='' />";
    iswide=0;
}


}