var imageFiles_13qk9_4 = new Array();
imageFiles_13qk9_4['0'] = new Array ('_images/13qk9_Body_Mass_Index.gif', '_images/13qk9_Body_Mass_IndexMouseover.gif');
imageFiles_13qk9_4['1'] = new Array ('_images/13qk9_Calorie_Burn_Calculator.gif', '_images/13qk9_Calorie_Burn_CalculatorMouseover.gif');
imageFiles_13qk9_4['2'] = new Array ('_images/13qk9_Daily_Calories_Needed.gif', '_images/13qk9_Daily_Calories_NeededMouseover.gif');
imageFiles_13qk9_4['3'] = new Array ('_images/13qk9_Resting_Metabolic_Rate.gif', '_images/13qk9_Resting_Metabolic_RateMouseover.gif');
imageFiles_13qk9_4['4'] = new Array ('_images/13qk9_Target_Heart_Rate.gif', '_images/13qk9_Target_Heart_RateMouseover.gif');

function image_on_13qk9_4 (position) {
   var doc = eval("document.image13qk9_4" + position);
   doc.src = imageFiles_13qk9_4[position][1];
}

function image_off_13qk9_4 (position) {
   var doc = eval("document.image13qk9_4" + position);
   doc.src = imageFiles_13qk9_4[position][0];
}