function obj(id) {
	object = null;
	if (document.getElementById) {
	    object = document.getElementById(id);
	}else if (document.all) {
		object = document.all[id];
	}
	return object;
}



function pic_flip(name, newpic){
	
	if(obj(name)){
        obj(name).src=newpic;
    }
}


function c_flip(name, classn)
{
    if(obj(name)){
        obj(name).className=classn;
    }
}