var main_status = 0; 
var open_status = 0;

openstatus = new Array();
plusOn = new Array();
plusOff= new Array();

for(i=1;i<=5;i++){
	plusOn[i]=new Image; plusOff[i]=new Image;
	plusOn[i].src = "img/icon_005.gif";
	plusOff[i].src = "img/icon_004.gif";
}

pluslOn=new Image(0,0);  pluslOn.src="img/link_003.gif";
pluslOff=new Image(0,0); pluslOff.src="img/link_002.gif";
plusrOn=new Image(0,0); plusrOn.src="img/link_003.gif";
plusrOff=new Image(0,0); plusrOff.src="img/link_002.gif";

function accordian(id){
    var element = document.getElementById(id);
    id_str = id.split("plus");
    if(element.style.display != "block"){
        element.style.display = "block";
        main_status+=1;
		imgOn=plusOn[id_str[1]].src;btnname=id+"btn";document [btnname].src = imgOn;
    }else{
        element.style.display = "none";
        main_status-=1;
		imgOn=plusOff[id_str[1]].src;btnname=id+"btn";document [btnname].src = imgOn;		
    } 
    openstatus[id_str[1]]=element.style.display;
}

function fullchk(){
	switch(main_status){
		case 0:open_status = 0;imgOn=eval("pluslOff.src"); document.plusl.src = imgOn;break;
		case 5:open_status = 1;imgOn=eval("pluslOn.src"); document.plusl.src = imgOn;break;
	}
}

function left(){
	switch(open_status){
		case 0:
		for(i=1;i<=5;i++){
		blockname='plus'+i;
		btnname=blockname+"btn";
		document.getElementById('plus'+i).style.display="block";	
		imgOn=plusOn[i].src; document [btnname].src = imgOn;
		}
		imgOn=eval("pluslOn.src"); document.plusl.src = imgOn;
		open_status=1;main_status=5;
		break;

		case 1:
		for(i=1;i<=5;i++){
		blockname='plus'+i;
		btnname=blockname+"btn";
		document.getElementById('plus'+i).style.display="none";	
		imgOn=plusOff[i].src; document [btnname].src = imgOn;
		}
		imgOn=eval("pluslOff.src"); document.plusl.src = imgOn;
		open_status=0;main_status=0;
		break;
	}
}