function validate()
{
<!--Name Field Begin> 
if(document.aform.name.value=="")
	{
		alert("Name field can not be empty");
		document.aform.name.focus();
		return false;
	}
	else
	{	 
        var str=document.aform.name.value;
        var len=document.aform.name.value.length;
        for(i=0;i<len;i++)
        {
		    var k=parseInt(str.charAt(i));
			if(!isNaN(k))
            {
				 alert(" Name field can't contain numbers !\n");
				 document.aform.name.value="";
				 document.aform.name.focus();
        		 return false;
				 				
            }
        }
    }
	<!--Name Field End>
	
<!--Contact Person's Field Begin>	
if(document.aform.contactpers.value=="")
	{
		alert("This field can't be empty");
		document.aform.contactpers.focus();
		return false;
	}
	else
	{	 
        var str=document.aform.contactpers.value;
        var len=document.aform.contactpers.value.length;
        for(i=0;i<len;i++)
        {
		    var k=parseInt(str.charAt(i));
			if(!isNaN(k))
            {
				 alert(" This field can't contain numbers !\n");
				 document.aform.contactpers.value="";
				 document.aform.contactpers.focus();
        		 return false;
				 				
            }
        }
    }
	<!--Contact Person's Field end>
	
<!--Address Field Begin>
	if(document.aform.add.value=="")
	{
		alert("Last Name field can not be empty");
		document.aform.add.focus();
		return false;
	}
	
	if(document.aform.city.value=="")
	{
		alert("City can't be empty");
		document.aform.city.focus();
		return false;
	}
	else
	{	 
        var str=document.aform.city.value;
        var len=document.aform.city.value.length;
        for(i=0;i<len;i++)
        {
		    var k=parseInt(str.charAt(i));
			if(!isNaN(k))
            {
				 alert(" This field can't contain numbers !\n");
				 document.aform.city.value="";
				 document.aform.city.focus();
        		 return false;
				 				
            }
        }
    }
	
	<!--Address Field End>
	
<!--State Field Begin>

	if(document.aform.state.value=="")
	{
		alert("State can't be empty");
		document.aform.state.focus();
		return false;
	}
	else
	{	 
        var str=document.aform.state.value;
        var len=document.aform.state.value.length;
        for(i=0;i<len;i++)
        {
		    var k=parseInt(str.charAt(i));
			if(!isNaN(k))
            {
				 alert(" This field can't contain numbers !\n");
				 document.aform.state.value="";
				 document.aform.state.focus();
        		 return false;
				 				
            }
        }
    }
	<!--State Field End>

<!--Country Field Begin>
	
	if(document.aform.country.value=="")
	{
		alert("Country can't be empty");
		document.aform.country.focus();
		return false;
	}
	else
	{	 
        var str=document.aform.country.value;
        var len=document.aform.country.value.length;
        for(i=0;i<len;i++)
        {
		    var k=parseInt(str.charAt(i));
			if(!isNaN(k))
            {
				 alert(" This field can't contain numbers !\n");
				 document.aform.country.value="";
				 document.aform.country.focus();
        		 return false;
				 				
            }
        }
    }
	
	<!--Country Field End>

<!--Pincode Field Begin>
	if (document.aform.pincode.value.length != 0) 
        {
           var str=document.aform.pincode.value;
          var len=document.aform.pincode.value.length;
          for(i=0;i<len;i++)
           {
         var k=parseInt(str.charAt(i));
           if(isNaN(k))
               {
             alert(" Pin code can't be a alphabet !\n");
              document.aform.pincode.value="";
              document.aform.pincode.focus();
			  
               return false;
                }
			}
        }
		if (document.aform.pincode.value.length==0)
        {
        alert("Pin code can't be empty !\n");
	    document.aform.pincode.focus();
		return false;
        }
		<!--Pincode Field end>
		
<!--Telephone Field Begin>
	if (document.aform.telephone.value.length != 0) 
        {
           var str=document.aform.telephone.value;
          var len=document.aform.telephone.value.length;
          for(i=0;i<len;i++)
           {
         var k=parseInt(str.charAt(i));
           if(isNaN(k))
               {
             alert(" Pin code can't be a alphabet !\n");
              document.aform.telephone.value="";
              document.aform.telephone.focus();
			  
               return false;
                }
			}
        }
		if (document.aform.telephone.value.length==0)
        {
        alert("Pin code can't be empty !\n");
	    document.aform.telephone.focus();
		return false;
        }
		<!--Telephone Field End>
		
<!--Fax Field Begin>

	if (document.aform.fax.value.length != 0) 
        {
           var str=document.aform.fax.value;
          var len=document.aform.fax.value.length;
          for(i=0;i<len;i++)
           {
         var k=parseInt(str.charAt(i));
           if(isNaN(k))
               {
             alert(" Pin code can't be a alphabet !\n");
              document.aform.fax.value="";
              document.aform.fax.focus();
			  
               return false;
                }
			}
        }
		if (document.aform.fax.value.length==0)
        {
        alert("Pin code can't be empty !\n");
	    document.aform.fax.focus();
		return false;
        }

		<!--Fax Field End>
		
<!--Email Field Begin>

if(document.aform.email.value.length==0)
	{
		
		alert("Email  field should not be empty");
		document.aform.email.focus();
		return false;
	}
	else
	{
		var len=document.aform.email.value.length;
		var str=document.aform.email.value;
		var cnt=0;
		var spc=0;
		var dot=0;
		for(i=0;i<len;i++)
		{
			if(str.charAt(i)=="@")
					cnt++;
			if(str.charAt(i)==" ")
					spc++;

			if(str.charAt(i)==".")
					dot++;
		}
		if(dot!=0)
		{
			i=str.indexOf(".");
			str1=str.substring(i,str.length-1);
			str2=str.substring(i+1,str.length);
			//document.write(str2);
			if(str1.length>3)
			{
				j=str2.indexOf(".")
				str3=str2.substring(j,str2.length);
				if(str3.length>3)
				{
					alert("Invalid Email address.There should not be more than three characters after a dot operator");
					document.aform.email.focus();
					document.aform.email.value="";
					return false;
				}
			}
						
		}
		if(cnt==0||cnt>1||spc!=0||dot==0)
		{
			alert("Invalid Email address.Your mail id should have an @ symbol and a dot operator without any spaces.");
					document.aform.email.focus();
					document.aform.email.value="";
					return false;
		}
	}

		<!--Email Field End>
		
<!--Type of Conveyor Field Begin>
		
if(document.aform.typeConv.value.length==0)
	{
		
		alert("Type of Conveyor can't be empty");
		document.aform.typeConv.focus();
		return false;
	}
	<!--Type of Conveyor Field End>
	
<!--Material to be Handle Field Begin>

if(document.aform.matdropdown.value.length==0)
	{
		
		alert("Material to be Handle can't be empty");
		document.aform.matdropdown.focus();
		return false;
	}
		<!--Material to be Handle Field Begin>
		
<!--Length of the Conveyor Field Begin>

if (document.aform.lengthofConv.value.length != 0) 
        {
           var str=document.aform.lengthofConv.value;
          var len=document.aform.lengthofConv.value.length;
          for(i=0;i<len;i++)
           {
         var k=parseInt(str.charAt(i));
           if(isNaN(k))
               {
             alert(" Length can't be a alphabet !\n");
              document.aform.lengthofConv.value="";
              document.aform.lengthofConv.focus();
			  
               return false;
                }
			}
        }
		if (document.aform.lengthofConv.value.length==0)
        {
        alert("Length of Conveyor Field can't be empty !\n");
	    document.aform.lengthofConv.focus();
		return false;
        }


		<!--Length of the Conveyor Field End>
		

   return true;

}