var groups=document.doublecombo.example.options.length
                                                            var group=new Array(groups)
                                                            for (i=0; i<groups; i++)
                                                            group[i]=new Array()
                                                            
                                                            //paddy products
                                                            //group[0][0]=new Option("abc","../biotech/halt.php")
                                                            
                                                            //Cotton Products
                                                            group[1][0]=new Option(": Legend 2500 :","../automatic/capsule-filling-machine-legend2500.php")
                                                            group[1][1]=new Option("  AF Series","../automatic/capsule-filling-machine-af40t.php")
                                                            group[1][2]=new Option("  : AF-90T :","../automatic/capsule-filling-machine-af90t.php")
                                                            group[1][3]=new Option("  : AF-40T :","../automatic/capsule-filling-machine-af40t.php")
                                                            group[1][4]=new Option("  : AF-25T :","../automatic/capsule-filling-machine-af25t.php")
                                                            group[1][5]=new Option("  : AF-40(D) :","../automatic/capsule-filling-machine-af40d.php")
                                                            
                                                            
                                                            //
                                                            group[2][0]=new Option(": SA-9 :","../semi-automatic/capsule-filler-sa9.php")
                                                            group[2][1]=new Option(": SA-10 :","../semi-automatic/capsule-filler-sa10.php")
                                                            group[2][2]=new Option(": RL-80 :","../semi-automatic/capsule-filler-rl80.php")
                                                            
                                                            group[3][0]=new Option(": MF-30 :","../manual/capsule-filler-mf30.php")
                                                            group[3][1]=new Option(": AL-90 :","../manual/capsule-filler-al90.php")
                                                            
                                                            var temp=document.doublecombo.product
                                                            
                                                            function redirect(x){
                                                            for (m=temp.options.length-1;m>0;m--)
                                                            temp.options[m]=null
                                                            for (i=0;i<group[x].length;i++){
                                                            temp.options[i]=new Option(group[x][i].text,group[x][i].value)
                                                            }
                                                            temp.options[0].selected=true
                                                            }
                                                            
                                                            function go()
                                                            {
                                                            if (document.doublecombo.product.options[document.doublecombo.product.selectedIndex].value=="select")
                                                            {
                                                            	alert("Please select the product")
                                                            	document.doublecombo.product.focus()
                                                            	return
                                                            }
                                                            
                                                            	var gopath
                                                            	gopath=temp.options[temp.selectedIndex].value   
                                                            	location.href="agroproducts/"+gopath  
                                                            }