function clearText(thefield){
		if (thefield.defaultValue==thefield.value)
		thefield.value = ""
		} 
		
(function($){

	$(function(){
	
	var path = location.pathname.substring(1);
   			   
   if ( path )
   {
	   if(window.location.search)
	   {
			path = path + window.location.search;   
	   }
      
	   $('#leftcolumn a[href$="' + path + '"]').addClass('selected');
   }
   
 });



})(this.jQuery);


var theImages = new Array()

theImages[0] = '/images/image1.jpg'
theImages[1] = '/images/image2.jpg'
theImages[2] = '/images/image3.jpg'
theImages[3] = '/images/image4.jpg'

var j = 0
var p = theImages.length;
var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image()
   preBuffer[i].src = theImages[i]
}
var whichImage = Math.round(Math.random()*(p-1));
function showImage(){
document.write('<img src="'+theImages[whichImage]+'">');
}