function getDim()
{
	var img_dim = document.getElementById("preview");	
	var move_height = 175 - (img_dim.height / 2);
	var move_width = 225 - (img_dim.width / 2);
	img_dim.style.top = move_height + "px";
	img_dim.style.left = move_width + "px";
}

var emergency = new Array();
emergency[0] = new Image();
emergency[0].src = "images/emergency/butler.jpg";
emergency[1] = new Image();
emergency[1].src = "images/emergency/clintonfire.jpg";
emergency[2] = new Image();
emergency[2].src = "images/emergency/blackearth.jpg";
emergency[3] = new Image();
emergency[3].src = "images/emergency/downgrove.jpg";
emergency[4] = new Image();
emergency[4].src = "images/emergency/genesis.jpg";
emergency[5] = new Image();
emergency[5].src = "images/emergency/johnsoncreek.jpg";
emergency[6] = new Image();
emergency[6].src = "images/emergency/mahaska.jpg";
emergency[7] = new Image();
emergency[7].src = "images/emergency/webster.jpg";
emergency[8] = new Image();
emergency[8].src = "images/emergency/jcchevron.jpg";
emergency[9] = new Image();
emergency[9].src = "images/emergency/marseilles.jpg";
emergency[10] = new Image();
emergency[10].src = "images/emergency/maltese.jpg";
emergency[11] = new Image();
emergency[11].src = "images/emergency/thomsonfire.jpg";

function viewImg(which_img)
{
	document.getElementById("full").style.display = "block";
	document.getElementById("preview").src = emergency[which_img].src;
	getDim();
}

function hidePreview()
{
	document.getElementById("full").style.display = "none";	
}

function getWin()
{
	var win_width = (window.innerWidth / 2) - 225;
	document.getElementById("full").style.left = win_width + "px";
}