function regKontrol(pattern, value) 
{ 
   r = new RegExp(pattern, "g"); 
   return r.test(value); 
} 
function gonder(form){
	
	if(form.purchase_number.value==''){
		alert("Please Enter Your Purchase order number...");
		form.purchase_number.focus();
		return false;
	}		 
	 
	if(form.proforma_number.value==''){
		alert("Please Enter Your Proforma number...");
		form.proforma_number.focus();
		return false;
	}	 
	 
	if(form.order_date.value==''){
		alert("Please Enter Order Date ...");
		form.order_date.focus();
		return false;
	}
	
	if(form.ordered_by_mail.value==''){
		alert("Please Enter Ordered by E-Mail...");
		form.ordered_by_mail.focus();
		return false;
	}
	
	patternEposta   = "^"+"([abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0-9_\.\-]+)"+"@"+"([abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0-9_\.\-]+)"+"[\.]"+"([abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0-9_\.\-]+)"+"$"; 
           
			 if ( !regKontrol(patternEposta,form.ordered_by_mail.value)) 
			 { 
				  alert("Please Enter Ordered by E-Mail..."); 
				  form.ordered_by_mail.value=""; 
				  form.ordered_by_mail.focus(); 
				  return false; 
			 } 
	
	if(form.ordered_by_phone.value==''){
		alert("Please Enter Your Ordered by Phone ...");
		form.ordered_by_phone.focus();
		return false;
	}	
	
			if (isNaN(form.ordered_by_phone.value))
			{
				alert("Please Enter Your Ordered by Phone ...");
				form.ordered_by_phone.focus();
				return false;
			}
	 
	 if(form.logistic_mail.value==''){
		alert("Please Enter Logistic/Operation E-mail...");
		form.logistic_mail.focus();
		return false;
	}
			
			patternEposta   = "^"+"([abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0-9_\.\-]+)"+"@"+"([abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0-9_\.\-]+)"+"[\.]"+"([abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0-9_\.\-]+)"+"$"; 
				   
			 if ( !regKontrol(patternEposta,form.logistic_mail.value)) 
			 { 
				  alert("Please Enter Logistic/Operation E-mail..."); 
				  form.logistic_mail.value=""; 
				  form.logistic_mail.focus(); 
				  return false; 
			 }	
	
	if(form.logistic_phone.value==''){
		alert("Please Enter Your Logistic/Operation Phone...");
		form.logistic_phone.focus();
		return false;
	}	
	
			if (isNaN(form.logistic_phone.value))
			{
				alert("Please Enter Your Logistic/Operation Phone...");
				form.logistic_phone.focus();
				return false;
			}	
	
	if(form.bill_address.value==''){
		alert("Please Enter Your BILL TO ADDRESS...");
		form.bill_address.focus();
		return false;
	}
	 
	if(form.ship_address.value==''){
		alert("Please Enter Your SHIP TO ADDRESS...");
		form.ship_address.focus();
		return false;
	}
	 
	if(form.forwarders_name.value==''){
		alert("Please Enter Your Forwarders name...");
		form.forwarders_name.focus();
		return false;
	}
	 
	if(form.contact_person.value==''){
		alert("Please Enter Your Contact person & phone...");
		form.contact_person.focus();
		return false;
	}
	 
	if(form.other1.value==''){
		alert("Please Enter Your DOCUMENTS REQUESTED...");
		form.other1.focus();
		return false;
	}
	 
	if(form.others1.value==''){
		alert("Please Enter Your VOLTAGE INPUT...");
		form.others1.focus();
		return false;
	}
	 
	if(form.others2.value==''){
		alert("Please Enter Your VOLTAGE OUTPUT...");
		form.others2.focus();
		return false;
	}
	
	if(form.code1.value=='' || form.description1.value=='' || form.unit1.value=='' || form.quantity1.value=='' || form.total1.value==''){
		if(form.code2.value=='' || form.description2.value=='' || form.unit2.value=='' || form.quantity2.value=='' || form.total2.value==''){
			if(form.code3.value=='' || form.description3.value=='' || form.unit3.value=='' || form.quantity3.value=='' || form.total3.value==''){
				if(form.code4.value=='' || form.description4.value=='' || form.unit4.value=='' || form.quantity4.value=='' || form.total4.value==''){
					if(form.code5.value=='' || form.description5.value=='' || form.unit5.value=='' || form.quantity5.value=='' || form.total5.value==''){
						if(form.code6.value=='' || form.description6.value=='' || form.unit6.value=='' || form.quantity6.value=='' || form.total6.value==''){
							if(form.code7.value=='' || form.description7.value=='' || form.unit7.value=='' || form.quantity7.value=='' || form.total7.value==''){
								if(form.code8.value=='' || form.description8.value=='' || form.unit8.value=='' || form.quantity8.value=='' || form.total8.value==''){
									if(form.code9.value=='' || form.description9.value=='' || form.unit9.value=='' || form.quantity9.value=='' || form.total9.value==''){
										if(form.code10.value=='' || form.description10.value=='' || form.unit10.value=='' || form.quantity10.value=='' || form.total10.value==''){
											alert("Please Enter Your CODE, DESCRIPTION, UNIT PRICE, QUANTITY, TOTAL PRICE...");
											form.others2.focus();
											return false;
										}
									}
								}
							}
						}
					}
				}
			}
		}
	}
}