function preload() {
	
	if (document.images)
		 {
			preload_image_object = new Image();
			image_url = new Array();
			image_url[0]="images/pupback.gif" ;
			image_url[1]="images/puppyfeet/pupinhome.gif" ;
			image_url[2]="images/puppyfeet/pupouthome.gif" ;
			image_url[3]="images/puppyfeet/pupincorp.gif" ;
			image_url[4]="images/puppyfeet/pupoutcorp.gif" ;
			image_url[5]="images/puppyfeet/pupinport.gif" ;
			image_url[6]="images/puppyfeet/pupoutport.gif" ;
			image_url[7]="images/puppyfeet/pupinaward.gif" ;
			image_url[8]="images/puppyfeet/pupoutaward.gif" ;
			image_url[9]="images/puppyfeet/pupinclient.gif" ;
			image_url[10]="images/puppyfeet/pupoutclient.gif" ;
			image_url[11]="images/puppyfeet/pupinnews.gif" ;
			image_url[12]="images/puppyfeet/pupoutnews.gif" ;
			image_url[13]="images/puppyfeet/pupinservices.gif" ;
			image_url[14]="images/puppyfeet/pupoutservices.gif" ;
			image_url[15]="images/puppyfeet/pupincontact.gif" ;
			image_url[16]="images/puppyfeet/pupoutcontact.gif" ;
			 var i = 0;
			 for(i=0; i<=16; i++) {
				preload_image_object.src = image_url[i];}
	
		 }
}