function preloader() 

{


     // counter
     var i = 0;


     // create object
     imageObj = new Image();


     // set image list
     images = new Array();
     images[0]="images/maintopics_header.png"
     images[1]="images/about_header_02.png"
     images[2]="images/otoiawase_header_02.png"
     images[3]="images/sandoukigyou_header_02.png"
	 images[4]="images/maintopics_01-01.png"
	 images[5]="images/maintopics_04-01.png"
	 images[6]="images/maintopics_05.png"
	 images[7]="images/maintopics_06-01.png"
	 images[8]="images/maintopicsover_07-01.png"
	 images[9]="images/maintopics_08.png"
	 images[10]="images/maintopics_09.png"
	 images[11]="images/helloworldtwo_05.png"
	 images[12]="images/helloworldtwo_08.png"
	 images[13]="images/policy_header_02.png"
	 images[14]="images/soshiki_02.png"
	 images[15]="images/teikei_header_02.png"


     // start preloading
     for(i=0; i<=3; i++) 
     {
          imageObj.src=images[i];
     }



}