function Disable(){
						var orion=document.FrmHesapla;
						orion.b.value='*****************';
						orion.b.disabled=true;
						
																		
						orion.e.value='*****************';
						orion.e.disabled=true;
						
						
						orion.k.value='*****************';
						orion.k.disabled=true;
						
												
						orion.c1.value='*****************';
						orion.c1.disabled=true;
						
						
						orion.c2.value='*****************';
						orion.c2.disabled=true;
						
						
					}//end function
					function UrunModul(){
						Disable();
						var orion=document.FrmHesapla;
						orion.sonuc.value='0 Kg.';
							if (orion.urun.value==1){
								orion.b.value='';
								orion.b.disabled=false;
								
								orion.c1.value='';
								orion.c1.disabled=false;
								
							}else if (orion.urun.value==2){
								orion.e.value='';
								orion.e.disabled=false;
								
								orion.k.value='';
								orion.k.disabled=false;
							
								orion.b.value='';
								orion.b.disabled=false;
								
							}else if (orion.urun.value==3){
								orion.b.value='';
								orion.b.disabled=false;
								
								
								orion.c1.value='';
								orion.c1.disabled=false;
																
								orion.c2.value='';
								orion.c2.disabled=false;
								
								
							}
					}// end function
					
					function Hesap(){
						var orion=document.FrmHesapla;
						var d=0;
							if (orion.urun.value==1){
								o=eval(orion.o.value)
								c=eval(orion.c1.value)
								b=eval(orion.b.value)
								d=((c/2)*(c/2)*3.14*o*b)/1000000 
							}else if (orion.urun.value==2){
								o=eval(orion.o.value)
								e=eval(orion.e.value)
								k=eval(orion.k.value)
								b=eval(orion.b.value)
								d=(e*k*o*b)/1000000
							}else if (orion.urun.value==3){
								o=eval(orion.o.value)
								c=eval(orion.c1.value)
								c2=eval(orion.c2.value)
								b=eval(orion.b.value)
								d1=((c/2)*(c/2)*3.14*o*b)/1000000
								d2=((c2/2)*(c2/2)*3.14*o*b)/1000000
								d=(d1-d2)
							}
							d=d + '.'
							ab=d.split(".");
							ss="";
							ara=ab[1];
							for (var i=0;i<3;i++){
								ss = ss + ara.charAt(i);
							}//for
							orion.sonuc.value=ab[0] + '.' + ss + ' Kg.';
					}