function atRandomHead(){ 
   atImg=new Array(); 
   atImg[0] =' <img src="../images/header/header_01.jpg" alt="h_01" border="0" width="750" height="75">'; 
   atImg[1] =' <img src="../images/header/header_02.jpg" alt="h_02" border="0" width="750" height="75">'; 
   atImg[2] =' <img src="../images/header/header_03.jpg" alt="h_03" border="0" width="750" height="75">'; 
   atImg[3] =' <img src="../images/header/header_04.jpg" alt="h_04" border="0" width="750" height="75">'; 
   atImg[4] =' <img src="../images/header/header_05.jpg" alt="h_05" border="0" width="750" height="75">'; 
   atImg[5] =' <img src="../images/header/header_06.jpg" alt="h_06" border="0" width="750" height="75">'; 

   var imgNum=atImg.length; 
   var r=Math.floor(Math.random()*imgNum); 
   document.write(atImg[r]); 
}
 
function atRandomImg3(pname){
   atImg=new Array(); 
   atImg[0]=' <img src="images/picup/'+ pname +'_01.jpg" alt="'+ pname +'" border="0" width="320" height="82"></a>'; 
   atImg[1]=' <img src="images/picup/'+ pname +'_02.jpg" alt="'+ pname +'" border="0" width="320" height="82"></a>'; 
   atImg[2]=' <img src="images/picup/'+ pname +'_03.jpg" alt="'+ pname +'" border="0" width="320" height="82"></a>'; 
   var imgNum=atImg.length; 
   var r=Math.floor(Math.random()*imgNum); 
   document.write(atImg[r]); 
}
function atRandomImg4(pname){
   atImg=new Array(); 
   atImg[0]=' <img src="images/picup/'+ pname +'" alt="'+ pname +'" border="0" width="300" height="75"></a>'; 
   atImg[1]=' <img src="images/picup/'+ pname +'" alt="'+ pname +'" border="0" width="300" height="75"></a>'; 
   atImg[2]=' <img src="images/picup/'+ pname +'" alt="'+ pname +'" border="0" width="300" height="75"></a>'; 
   var imgNum=atImg.length; 
   var r=Math.floor(Math.random()*imgNum); 
   document.write(atImg[r]); 
}
function atRandomImg5(pname){
   atImg=new Array(); 
   atImg[0]=' <img src="images/picup/'+ pname +'" alt="'+ pname +'" border="0" width="205" height="66"></a>'; 
   atImg[1]=' <img src="images/picup/'+ pname +'" alt="'+ pname +'" border="0" width="205" height="66"></a>'; 
   atImg[2]=' <img src="images/picup/'+ pname +'" alt="'+ pname +'" border="0" width="205" height="66"></a>'; 
   var imgNum=atImg.length; 
   var r=Math.floor(Math.random()*imgNum); 
   document.write(atImg[r]); 
}

function atRandomImg7(pname){
   atImg=new Array(); 
   atImg[0]=' <img src="images/picup/'+ pname +'_01.jpg" alt="'+ pname +'" border="0" width="320" height="82"></a>'; 
   atImg[1]=' <img src="images/picup/'+ pname +'_02.jpg" alt="'+ pname +'" border="0" width="320" height="82"></a>'; 
   atImg[2]=' <img src="images/picup/'+ pname +'_03.jpg" alt="'+ pname +'" border="0" width="320" height="82"></a>'; 
   atImg[3]=' <img src="images/picup/'+ pname +'_04.jpg" alt="'+ pname +'" border="0" width="320" height="82"></a>'; 
   atImg[4]=' <img src="images/picup/'+ pname +'_05.jpg" alt="'+ pname +'" border="0" width="320" height="82"></a>'; 
   atImg[5]=' <img src="images/picup/'+ pname +'_06.jpg" alt="'+ pname +'" border="0" width="320" height="82"></a>'; 
   atImg[6]=' <img src="images/picup/'+ pname +'_07.jpg" alt="'+ pname +'" border="0" width="320" height="82"></a>'; 
   var imgNum=atImg.length; 
   var r=Math.floor(Math.random()*imgNum); 
   document.write(atImg[r]); 
}
