function client_login()
	{if (document.f1.client_email.value=="")
		{alert('Insert email address to login');
		 return false;
		}
	}



function client_complain()
	{if (document.f3.guest_name.value=="")
		{alert('Insert Client Name');
		 return false;
		}
	 if (document.f3.guest_email.value=="")
		{alert('Insert email address');
		 return false;
		}
/////////////////////for email validation/////////////////////
	 email=document.f3.guest_email.value;
			
	 var len=email.length
	 if (len==0)
		{
		alert("Please insert your email.");
		document.f3.guest_email.focus();
		return false;
		}
	 var mystring= new String(f3.guest_email.value);
	 var mymailid=/^\w+((-\w+)|(\.\w+))*\@\w+((\.|-)\w+)*\.\w+$/;
	 var mailid=mystring.search(mymailid)
	 if (mailid==-1)
		{
		alert("Check Your e-mail address\nit seems to be incorrect (check @ and .'s)");
		document.f3.guest_email.focus();
		return false;
		}
/////////////////////////////////////////////////////////////


	 if (document.f3.subject.value=="")
		{alert('Insert Subject for Complain');
		 return false;
		}
	 if (document.f3.description.value=="")
		{alert('Insert Description for Complain');
		 return false;
		}
	}



function client_quotation()
	{if (document.f2.guest_name.value=="")
		{alert('Insert Client Name');
		 return false;
		}
	 if (document.f2.guest_email.value=="")
		{alert('Insert email address');
		 return false;
		}
/////////////////////for email validation/////////////////////
	 email=document.f2.guest_email.value;
			
	 var len=email.length
	 if (len==0)
		{
		alert("Please insert your email.");
		document.f2.guest_email.focus();
		return false;
		}
	 var mystring= new String(f2.guest_email.value);
	 var mymailid=/^\w+((-\w+)|(\.\w+))*\@\w+((\.|-)\w+)*\.\w+$/;
	 var mailid=mystring.search(mymailid)
	 if (mailid==-1)
		{
		alert("Check Your e-mail address\nit seems to be incorrect (check @ and .'s)");
		document.f2.guest_email.focus();
		return false;
		}
/////////////////////////////////////////////////////////////
	 if (document.f2.subject.value=="")
		{alert('Insert Subject for Complain');
		 return false;
		}
	 if (document.f2.description.value=="")
		{alert('Insert Description for Complain');
		 return false;
		}

	}
	
	
function check()
		{if(document.f4.guest_name.value=='')
			{alert('Please Insert Your Name');
			 
			 document.f4.guest_name.focus();
			 return false;
			}
		 if(document.f4.phone.value=='')
			{alert('Please Insert Your Phone Number');
			 
			 document.f4.phone.focus();
			 return false;
			}
		 if(document.f4.subject.value=='')
			{alert('Subject can\'t be blank');
			
			 document.f4.subject.focus(); 
			 return false;
			}
		 if(document.f4.description.value=='')
			{alert('Description can\'t be blank');
			 
			 document.f4.description.focus();
			 return false;
			}
		 if(document.f4.pre_time.value=='')
			{alert('Please Insert Your Preferred time');
			 
			 document.f4.pre_time.focus();
			 return false;
			}
		 if(document.f4.guest_email.value=='')
			{alert('Please Insert Your Email Address');
			
			 document.f4.guest_email.focus();
			 return false;
			}
		
			
/////////////////////for email validation/////////////////////
	 email=document.f4.guest_email.value;
			
	 var len=email.length
	 if (len==0)
		{
		alert("Please insert your email.");
		document.f4.guest_email.focus();
		return false;
		}
	 var mystring= new String(f4.guest_email.value);
	 var mymailid=/^\w+((-\w+)|(\.\w+))*\@\w+((\.|-)\w+)*\.\w+$/;
	 var mailid=mystring.search(mymailid)
	 if (mailid==-1)
		{
		alert("Check Your e-mail address\nit seems to be incorrect (check @ and .'s)");
		document.f4.guest_email.focus();
		return false;
		}
/////////////////////////////////////////////////////////////



		}