// JavaScript Document

// JavaScript Document

/*var thep = document.getElementById('background');

		var rannum;

		var bgs = new Array('air', 'road', 'sea', 'rail', 'storage', 'logistics', 'customs', 'insurance');

		var whichQuote = get_random();

		function get_random()

		{

    		var ranNum= Math.round(Math.random()*7);

    		return ranNum;

		}

		if(thep != null) thep.className = bgs[whichQuote];

		//alert(bgs[whichQuote]);*/

function setActiveStyleSheet(title) {

   //Random generated color START

   if ("null" == title) {

	   var color_stylesheets = new Array('default', 'Alternative_1', 'Alternative_2', 'Alternative_3', 'Alternative_4', 'Alternative_5');

	   var whichQuote = Math.round(Math.random()*6);

	   

	   title = color_stylesheets[whichQuote];

	   titleIs = title;

   }

   //Random generated color END

   var i, a, main;

   for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {

     if(a.getAttribute("rel").indexOf("style") != -1

        && a.getAttribute("title")) {

       a.disabled = true;

       if(a.getAttribute("title") == title) {

		   a.disabled = false;

		   titleIs = title;

	   }

     }

   }

}

function getActiveStyleSheet() {

var i, a;

 for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {

  if(a.getAttribute("rel").indexOf("style") != -1

  && a.getAttribute("title")

  && !a.disabled) return a.getAttribute("title");

  }

  //titleIs = a.getAttribute("title");

  return null;

}

function getPreferredStyleSheet() {

  var i, a;

  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {

    if(a.getAttribute("rel").indexOf("style") != -1

       && a.getAttribute("rel").indexOf("alt") == -1

       && a.getAttribute("title")

       ) return a.getAttribute("title");

  }

  //titleIs = a.getAttribute("title");

  return null;

}

 function createCookie(name,value,days) {

  if (days) {

    var date = new Date();

    date.setTime(date.getTime()+(days*60*1000));

    var expires = "; expires="+date.toGMTString();

  }

  else expires = "";

  document.cookie = name+"="+value+expires+"; path=/";

}

function readCookie(name) {

  var nameEQ = name + "=";

  var ca = document.cookie.split(';');

  for(var i=0;i < ca.length;i++) {

    var c = ca[i];

    while (c.charAt(0)==' ') c = c.substring(1,c.length);

    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);

  }

  return null;

}

/*window.onload = function(e) {

  var cookie = readCookie("style");

  var title = cookie ? cookie : getPreferredStyleSheet();

  setActiveStyleSheet(title);

}

window.onunload = function(e) {

  var title = getActiveStyleSheet();

  createCookie("style", title, 365);

}*/