// JavaScript Document
function changeBG(){
	var randomnum = Math.floor(Math.random()*4);
	var img = 0;
	var backImage = new Array();
	backImage[0] = 'images/bg/grass.jpg';
	backImage[1] = 'images/bg/ice.jpg';
	backImage[2] = 'images/bg/wood.jpg';
	backImage[3] = 'images/bg/sand.jpg';
	switch(randomnum){
		case 0:
			img = 0;
			break;
		case 1:
			img = 1;
			break;
		case 2:
			img = 2;
			break;
		case 3:
			img = 3;
			break;
	}
	
	if(section == 'baseball'){
		document.body.style.backgroundImage = 'url("'+rootURL+'/'+backImage[3]+'")';
	} else if(section == 'basketball'){
		document.body.style.backgroundImage = 'url("'+rootURL+'/'+backImage[2]+'")';
	} else if(section == 'hockey'){
		document.body.style.backgroundImage = 'url("'+rootURL+'/'+backImage[1]+'")';
	} else if(section == 'football'){
		document.body.style.backgroundImage = 'url("'+rootURL+'/'+backImage[0]+'")';
	} else {
		document.body.style.backgroundImage = 'url("'+rootURL+'/'+backImage[img]+'")';
	}
	//document.getElementsByTagName("BODY")[0].style.backgroundImage = 'url("images/bg/grass.jpg")';
	//document.body.style.backgroundImage = 'url("'+rootURL+'/'+backImage[img]+'")';
	//document.body.backgroundImage = 'url("images/bg/grass.jpg")';
}

changeBG();