integer i = 0;

default
{
    state_entry()
    {
        llSetText("touch to turn on/off flying edboosts",<1,1,1>,1);
    }

    touch_start(integer total_number)
    {
        if (i==0)
        { llParticleSystem([PSYS_PART_FLAGS, PSYS_PART_WIND_MASK | PSYS_PART_EMISSIVE_MASK,
    PSYS_SRC_PATTERN, PSYS_SRC_PATTERN_EXPLODE, PSYS_SRC_TEXTURE, "EdBoost1",
    PSYS_PART_START_COLOR, <0.7,0.7,0.7>]); i=1;
        }
        else
        { llParticleSystem([]); i=0;}
    }
}