/*############################################################################*/
/* display different background image depending on the time of the day */

var d = new Date();
var h = d.getHours()
strCSS="_night";
// check if the hour is between 7am and 7pm
	if ((h > 7) && (h < 19)) {
		strCSS="day";
	} else {
		if ((h < 21)) {strCSS="evening";}
		else {strCSS="night";}
	}
  	


document.write("<style type='text/css'>#stage {background: url(http://cse.spsu.edu/includes/images/" + strCSS + ".jpg) no-repeat;}</style>")

/*############################################################################ */
/* display different images from /images folder */
/* images named insert0, insert1, ... insert9 */

 index = Math.floor(Math.random() * 10);
 document.write("<style type='text/css'>#insert {background: url(http://cse.spsu.edu/includes/images/insert" + index + ".jpg) no-repeat center top; height: 165px;}</style>");



/*############################################################################ */
/* preload images */
if (document.images)
{
      	preload_image1 = new Image(860,512); 
      	preload_image1.src="http://cse.spsu.edu/includes/images/" + strCSS + ".jpg"; 

}


/*############################################################################ */
/* resizes quick links box */
function changewidth() {
		select = document.getElementById('item_selected');
		select.style.width = "210";
	  }