//script language="JavaScript1.1"
 
function problem1(){

 if (navigator.appName.indexOf("Netscape") != -1) {
      window.open("problem1-pop.html", "problem1", "width=640, height=600, status=no, resizable=no, scrollbars=yes, screenX=0,screenY=0");
        }
        else {
               window.open("problem1-pop.html", "problem1", "width=640,height=600, status=no, scrollbars=yes, resizable=no,top=0,left=0");
               }     
}
//-->

//script language="JavaScript1.1"
 
function problem2(){

 if (navigator.appName.indexOf("Netscape") != -1) {
      window.open("problem2-pop.html", "problem2", "width=640, height=600, status=no, resizable=no, scrollbars=yes, screenX=0,screenY=0");
        }
        else {
               window.open("problem2-pop.html", "problem2", "width=640,height=600, status=no, scrollbars=yes, resizable=no,top=0,left=0");
               }     
}
//-->

//script language="JavaScript1.1"
 
function problem3(){

 if (navigator.appName.indexOf("Netscape") != -1) {
      window.open("problem3-pop.html", "problem3", "width=640, height=600, status=no, resizable=no, scrollbars=yes, screenX=0,screenY=0");
        }
        else {
               window.open("problem3-pop.html", "problem3", "width=640,height=600, status=no, scrollbars=yes, resizable=no,top=0,left=0");
               }     
}
//-->

//script language="JavaScript1.1"
 
function problem4(){

 if (navigator.appName.indexOf("Netscape") != -1) {
      window.open("problem4-pop.html", "problem4", "width=640, height=600, status=no, resizable=no, scrollbars=yes, screenX=0,screenY=0");
        }
        else {
               window.open("problem4-pop.html", "problem4", "width=640,height=600, status=no, scrollbars=yes, resizable=no,top=0,left=0");
               }     
}
//-->

//script language="JavaScript1.1"
 
function problem5(){

 if (navigator.appName.indexOf("Netscape") != -1) {
      window.open("problem5-pop.html", "problem5", "width=640, height=600, status=no, resizable=no, scrollbars=yes, screenX=0,screenY=0");
        }
        else {
               window.open("problem5-pop.html", "problem5", "width=640,height=600, status=no, scrollbars=yes, resizable=no,top=0,left=0");
               }     
}
//-->

//script language="JavaScript1.1"
 
function problem6(){

 if (navigator.appName.indexOf("Netscape") != -1) {
      window.open("problem6-pop.html", "problem6", "width=640, height=600, status=no, resizable=no, scrollbars=yes, screenX=0,screenY=0");
        }
        else {
               window.open("problem6-pop.html", "problem6", "width=640,height=600, status=no, scrollbars=yes, resizable=no,top=0,left=0");
               }     
}
//-->

//script language="JavaScript1.1"
 
function problem7(){

 if (navigator.appName.indexOf("Netscape") != -1) {
      window.open("problem7-pop.html", "problem7", "width=640, height=600, status=no, resizable=no, scrollbars=yes, screenX=0,screenY=0");
        }
        else {
               window.open("problem7-pop.html", "problem7", "width=640,height=600, status=no, scrollbars=yes, resizable=no,top=0,left=0");
               }     
}
//-->