function pixMonthChange() 
	{
  	var t=new Date();
  	var ym=t.getFullYear()*100 + t.getMonth();
	var p0="201001.jpg"
	var p1="201002.jpg"
	var p2="201003.jpg"
	var p3="201004.jpg"
	var p4="201005.jpg"
	var p5="201006.jpg"
	var p6="201007.jpg"
	var p7="201008.jpg"
	var p8="201009.jpg"
	var p9="201010.jpg"
	var p10="201011.jpg"
	var p11="201012.jpg"
	var p13="201101.jpg"
	var p14="201102.jpg"
	var p15="201103.jpg"
	var nm;
	
	switch (ym)
	{

	case 201000:
	nm=p0;
	break;

	case 201001:
	nm=p1;
	break;

	case 201002:
	nm=p2;
	break;
	
	case 201003:
	nm=p3;
	break;

	case 201004:
	nm=p4;
	break;

	case 201005:
	nm=p5;
	break;

	case 201006:
	nm=p6;
	break;

	case 201007:
	nm=p7;
	break;

	case 201008:
	nm=p8;
	break;

	case 201009:
	nm=p9;
	break;

	case 201010:
	nm=p10;
	break;

	case 201011:
	nm=p11;
	break;

	case 201012:
	nm=p12;
	break;

	case 201101:
	nm=p13;
	break;

	case 201102:
	nm=p14;
	break;

	case 201103:
	nm=p15;
	break;

	}
  	
 	var chngp=document.getElementById('cal_pic');
	
	chngp.src = nm;
	}


function addLoadEvent(func) 
{
var oldonload=window.onload;
if (typeof window.onload != 'function') 
	{
    	window.onload=func;
 	} 
	else 
	{
    	window.onload=function() 
		{
      		if (oldonload) {
        	oldonload();}
      		func();
    		}
  	}
}

addLoadEvent(pixMonthChange());
