function funa(index){
                    var count=document.getElementById("PatchDownA").options.length;
	                for(var i=0;i<count;i++){
			             document.getElementById("patch_a_"+i).style.display = 'none';		          
	                }
	                     document.getElementById("patch_a_"+index).style.display = 'block';
                    }
                    
 function funb(index){
                    var count=document.getElementById("PatchDownB").options.length;
	                for(var i=0;i<count;i++){
			             document.getElementById("patch_b_"+i).style.display = 'none';		          
	                }
	                     document.getElementById("patch_b_"+index).style.display = 'block';
                    }
 /*function func(index){
                    var count=document.getElementById("PatchDownC").options.length;
                    for(var i=0;i<count;i++){
 	                  document.getElementById("patch_c_"+i).style.display = 'none';		          
 	                }
                      document.getElementById("patch_c_"+index).style.display = 'block';
                    }
 function fund(index){
                    var count=document.getElementById("PatchDownD").options.length;
	                for(var i=0;i<count;i++){
			             document.getElementById("patch_d_"+i).style.display = 'none';		          
	                }
	                     document.getElementById("patch_d_"+index).style.display = 'block';
                    }
 function fune(index){
                    var count=document.getElementById("PatchDownE").options.length;
	                for(var i=0;i<count;i++){
			             document.getElementById("patch_e_"+i).style.display = 'none';		          
	                }
	                     document.getElementById("patch_e_"+index).style.display = 'block';
                    }
 function funf(index){
                    var count=document.getElementById("PatchDownF").options.length;
	                for(var i=0;i<count;i++){
			             document.getElementById("patch_f_"+i).style.display = 'none';		          
	                }
	                     document.getElementById("patch_f_"+index).style.display = 'block';
                    }*/
                                     
 function loadselect(){                 
	                     document.getElementById("patch_a_0").style.display = 'block';
	                     document.getElementById("patch_b_0").style.display = 'block';
	                     //document.getElementById("patch_c_0").style.display = 'block';
	                     //document.getElementById("patch_d_0").style.display = 'block';
	                     //document.getElementById("patch_e_0").style.display = 'block';
	                     //document.getElementById("patch_f_0").style.display = 'block';
                    }