function change1() 
{ 
parent.topFrame.location="topframe1.html"; 
parent.leftFrame.location="left1_instruct.html"; 
} 

function change2() 
{ 
parent.topFrame.location="topframe2.html"; 
parent.leftFrame.location="left2_intro.html"; 
} 

function change3() 
{ 
parent.topFrame.location="topframe3.html"; 
parent.leftFrame.location="left3_brain.html"; 
} 

function change4() 
{ 
parent.topFrame.location="topframe4.html"; 
parent.leftFrame.location="left4_index.html"; 
} 

function change5() 
{ 
parent.topFrame.location="topframe5.html"; 
parent.leftFrame.location="left5_classcodes.html"; 
} 

function change6() 
{ 
parent.topFrame.location="topframe6.html"; 
parent.leftFrame.location="left6_classdefs.html"; 
} 

function change7() 
{ 
parent.topFrame.location="topframe7.html"; 
parent.leftFrame.location="left7_patreview.html"; 
} 

function change8() 
{ 
parent.topFrame.location="topframe8.html"; 
parent.leftFrame.location="left8_keyword.html"; 
} 


function change9() 
{ 
parent.topFrame.location="topframe9.html"; 
parent.leftFrame.location="left9_conclusion.html"; 
} 

function contact() 
{ 
parent.mainFrame.location="../../loc.html"
}