if (document.images) { 
  var button1_up = new Image();
  button1_up.src = './images/feelings.jpg'; 
  var button2_up = new Image();
  button2_up.src = './images/consequences.jpg'; 
  var button3_up = new Image();
  button3_up.src = './images/beat.jpg';
  var button4_up = new Image();
  button4_up.src = './images/boredom.jpg';
  var button5_up = new Image();
  button5_up.src = './images/parental.jpg';
  var button6_up = new Image();
  button6_up.src = './images/create.jpg';
  var button7_up = new Image();
  button7_up.src = './images/charts.jpg';
  var button8_up = new Image();
  button8_up.src = './images/behavior.jpg';
  var button9_up = new Image();
  button9_up.src = './images/worksheets.jpg';
  var button10_up = new Image();
  button10_up.src = './images/contracts.jpg';

 
  var button1_over = new Image();
  button1_over.src = './images/feelings.gif';
  var button2_over = new Image();
  button2_over.src = './images/consequences.gif';
  var button3_over = new Image();
  button3_over.src = './images/beat.gif';
  var button4_over = new Image();
  button4_over.src = './images/boredom.gif';
  var button5_over = new Image();
  button5_over.src = './images/parental.gif';
  var button6_over = new Image();
  button6_over.src = './images/create.gif';
  var button7_over = new Image();
  button7_over.src = './images/charts.gif';
  var button8_over = new Image();
  button8_over.src = './images/behavior.gif';
  var button9_over = new Image();
  button9_over.src = './images/worksheets.gif';
  var button10_over = new Image();
  button10_over.src = './images/contracts.gif';
} 

function over_button() {
  if (document.images) {
    document["buttonOne"].src = button1_over.src
    
  }
} 
function over_button2() {
  if (document.images) {
    document["buttonTwo"].src = button2_over.src
  }
}
function over_button3() {
  if (document.images) {
    document["buttonThree"].src = button3_over.src
  }
} 
function over_button4() {
  if (document.images) {
    document["buttonFour"].src = button4_over.src
  }
} 
function over_button5() {
  if (document.images) {
    document["buttonFive"].src = button5_over.src
  }
}  
function over_button6() {
  if (document.images) {
    document["buttonSix"].src = button6_over.src
  }
}  
function over_button7() {
  if (document.images) {
    document["buttonSeven"].src = button7_over.src
  }
}  
function over_button8() {
  if (document.images) {
    document["buttonEight"].src = button8_over.src
  }
}  
function over_button9() {
  if (document.images) {
    document["buttonNine"].src = button9_over.src
  }
}  
function over_button10() {
  if (document.images) {
    document["buttonTen"].src = button10_over.src
  }
}  


function up_button() {
  if (document.images) {
    document["buttonOne"].src = button1_up.src
  }
}
function up_button2() {
  if (document.images) {
    document["buttonTwo"].src = button2_up.src
  }
}
function up_button3() {
  if (document.images) {
    document["buttonThree"].src = button3_up.src
  }
}
function up_button4() {
  if (document.images) {
    document["buttonFour"].src = button4_up.src
  }
}
function up_button5() {
  if (document.images) {
    document["buttonFive"].src = button5_up.src
  }
}
function up_button6() {
  if (document.images) {
    document["buttonSix"].src = button6_up.src
  }
}
function up_button7() {
  if (document.images) {
    document["buttonSeven"].src = button7_up.src
  }
}
function up_button8() {
  if (document.images) {
    document["buttonEight"].src = button8_up.src
  }
}
function up_button9() {
  if (document.images) {
    document["buttonNine"].src = button9_up.src
  }
}
function up_button10() {
  if (document.images) {
    document["buttonTen"].src = button10_up.src
  }
}