//all of the windows can be open at once.

function openIt(whichTruck) {
	whichPage = "heritage_html/popups/" +whichTruck+ "/index.html"; 

	 //set general variables
	var scrWidth = screen.width;
	var flashWinWidth = 720; 
	
	//calculates the positioning variables
	var theX = ((scrWidth/2)-(flashWinWidth/2));
	
	//open window
	flashWindow = window.open(whichPage, "popupWin", "top=150px left="+theX+"px, width=735px, height=310px");
	
	if(!flashWindow.focus()) {
		flashWindow.focus();
  }
}