//========================================================================================================//
//    F0_降る画像                                                                                         //
//========================================================================================================//
var F0_imgstr=new Array('"./image/clover4.gif"'
						,'"./image/clover4.gif"'
						,'"./image/clover4.gif"'
						);
var F0_imgNum=10;		//表示させる画像の数
var F0_MoveSpeed=50;	//動作スピード
var F0_dx=new Array();
var F0_am=new Array();
var F0_xp=new Array();
var F0_yp=new Array();
var F0_stx=new Array();
var F0_sty=new Array();
var F0_doc_width=0;
var F0_doc_height=0;
var F0_idx=0;
var F0_j=0;
var F0_timerID=0;

function F0_cntl(){
	F0_timerID=setTimeout('',1);
	F0_detail();
}

function F0_detail(){
	if ((F0_doc_width<BC_doc_width_min)||(F0_doc_height<BC_doc_width_min)){
		for (F0_lc_i=0;F0_lc_i<F0_imgNum;F0_lc_i++){
			if (BC_ie){
				eval('document.all.F0_sDiv'+F0_lc_i+'.style.visibility="hidden";');
			}else{
				if (BC_ns){
					eval('document.layers.F0_sDiv'+F0_lc_i+'.visibility="hide";');
				}
			}
		}
	}else{
		for (F0_lc_i=0;F0_lc_i<F0_imgNum;F0_lc_i++){
			F0_yp[F0_lc_i]+=F0_sty[F0_lc_i];
			if (F0_yp[F0_lc_i]>F0_doc_height-50){
				F0_xp[F0_lc_i]=Math.random()*((F0_doc_width-50)-F0_am[F0_lc_i]);
				F0_yp[F0_lc_i]=0;
				F0_stx[F0_lc_i]=0.02+Math.random()/10;
				F0_sty[F0_lc_i]=0.7+Math.random();
			}
			F0_dx[F0_lc_i]+=F0_stx[F0_lc_i];
			if (BC_ie){
				eval('document.all.F0_sDiv'+F0_lc_i+'.style.visibility="visible";');
				eval('document.all.F0_sDiv'+F0_lc_i+'.style.left=F0_xp[F0_lc_i]+F0_am[F0_lc_i]*Math.sin(F0_dx[F0_lc_i]);');
				eval('document.all.F0_sDiv'+F0_lc_i+'.style.top=F0_yp[F0_lc_i];');
			}else{
				if (BC_ns){
					eval('document.layers.F0_sDiv'+F0_lc_i+'.visibility="visible";');
					eval('document.layers.F0_sDiv'+F0_lc_i+'.left=F0_xp[F0_lc_i]+F0_am[F0_lc_i]*Math.sin(F0_dx[F0_lc_i]);');
					eval('document.layers.F0_sDiv'+F0_lc_i+'.top=F0_yp[F0_lc_i];');
				}
			}
		}
	}
	if (BC_ie){
		F0_doc_width=document.body.clientWidth;
		F0_doc_height=document.body.clientHeight;
	}else{
		if (BC_ns){
			F0_doc_width=self.innerWidth;
			F0_doc_height=self.innerHeight;
		}
	}
	F0_timerID=setTimeout("F0_detail()",F0_MoveSpeed);
}

if (BC_ie){
	F0_doc_width=document.body.clientWidth;
	F0_doc_height=document.body.clientHeight;
}else{
	if (BC_ns){
		F0_doc_width=self.innerWidth;
		F0_doc_height=self.innerHeight;
	}
}
document.write('<div id="F0">');
for (F0_idx=0;F0_idx<F0_imgNum;F0_idx++){
	F0_dx[F0_idx]=0;
	F0_xp[F0_idx]=Math.random()*(F0_doc_width-50);
	F0_yp[F0_idx]=Math.random()*(F0_doc_height-50);
	F0_am[F0_idx]=Math.random()*20;
	F0_stx[F0_idx]=0.02+Math.random()/10;
	F0_sty[F0_idx]=0.7+Math.random();
	F0_j=Math.floor((F0_imgstr.length)*Math.random()+1)-1;
	document.write('<div id="F0_sDiv'+F0_idx+'" style="position:absolute; visibility: visible;"><FONT color="#000099"><IMG src='+F0_imgstr[F0_j]+' border=0></FONT></div>');
}
document.write('</div>');
F0_cntl(0);
//== END F0 ==============================================================================================//