function echeck(str) {
				
	var RE_EMAIL = /^(\w+[\-\.])*\w+@([A-Za-z]+\.)+[A-Za-z]+$/;
	
	if(!RE_EMAIL.test(str))
	{
	alert("Please Enter vaild Email Address!")
	return false;
	}
}
					
function check_form_data() {
	
		if(document.getElementById('name').value == "")
		{
			alert("Please fill the Name field!");
			document.getElementById('name').value="";
			document.getElementById('name').focus();
			return false;
		}
		
			
		var emailID=document.getElementById('email');
		 if ((emailID.value==null)||(emailID.value==""))
		{	alert("Please Enter your Email ID");
		    emailID.value="";
			emailID.focus();
			return false;
		}
		if (echeck(emailID.value)==false)
		{
			emailID.value="";
			emailID.focus();
			return false;
		}
		if(document.getElementById('phone').value == "")
		{
			alert("Please fill the Telephone field!");
			document.getElementById('phone').value = "";
			document.getElementById('phone').focus();
			return false;
		}
			
		document.forms['callback'].submit();
	}
	
	function checkValidations() {
		
		
		if(document.getElementById('name').value=="")
		{  
		   alert("Please Enter Name.");
		   document.getElementById('name').focus();
		   return false;
		}
		
		if(document.getElementById('email').value=="")
		{  
		   alert("Please Enter E-mail.");
		   document.getElementById('email').focus();
		   return false;
		}

		if(document.getElementById('telephone').value=="")
		{  
		   alert("Please Enter Telephone.");
		   document.getElementById('telephone').focus();
		   return false;
		}
	
		if(document.getElementById('detail').value=="")
		{  
		   alert("Please Enter Detail.");
		   document.getElementById('detail').focus();
		   return false;
		}

	}
	
	
	function ValidateForm() {
	
		var emailID=document.getElementById('email')
		
		if ((emailID.value==null)||(emailID.value=="")){
			alert("Please Enter your Email ID")
			return false
		}
		if (echeck(emailID.value)==false){
			emailID.value=""
			return false
		}
		return true
	}
	

	
	function chkForm() {
		
		
		if(document.getElementById('nameC').value=="")
		{  
		   alert("Please Enter Name.");
		   document.getElementById('nameC').focus();
		   return false;
		}
		
			if(document.getElementById('telC').value=="")
		{  
		   alert("Please Enter Telephone.");
		   document.getElementById('telC').focus();
		   return false;
		}
		if(document.getElementById('emailC'))
		{
			var emailID=document.getElementById('emailC');
		  if ((emailID.value==null)||(emailID.value=="")){
			alert("Please Enter your Email ID")
			emailID.focus();
			return false;
		  }
		 if (echeck(emailID.value)==false){
			emailID.value="";
			emailID.focus();
			return false;
		   }
		}
		
		if(document.getElementById('textName').value=="")
		{  
		   alert("Please Enter Security Code.");
		   document.getElementById('textName').focus();
		   return false;
		}
		return true
	}
	
	function valiatecoarse(){
		
		if(document.getElementById('area').value=="")
		{  
		   alert("Please Enter Area.");
		   document.getElementById('area').focus();
		   return false;
		}
		
			if(document.getElementById('address').value=="")
		{  
		   alert("Please Enter Address.");
		   document.getElementById('address').focus();
		   return false;
		}
			if(document.getElementById('species').value=="")
		{  
		   alert("Please Enter Species.");
		   document.getElementById('species').focus();
		   return false;
		}
			if(document.getElementById('description').value=="")
		{  
		   alert("Please Enter Description.");
		   document.getElementById('description').focus();
		   return false;
		}
			
		if(document.getElementById('email'))
		{
			var emailID=document.getElementById('email');
		  if ((emailID.value==null)||(emailID.value=="")){
			alert("Please Enter your Email ID")
			emailID.focus();
			return false;
		  }
		 if (echeck(emailID.value)==false){
			emailID.value="";
			emailID.focus();
			return false;
		   }
		}
		if(document.getElementById('contact').value=="")
		{  
		   alert("Please Enter Contact Details.");
		   document.getElementById('contact').focus();
		   return false;
		}
		if(document.getElementById('txtNumber').value=="")
		{  
		   alert("Please Enter Verification Code.");
		   document.getElementById('txtNumber').focus();
		   return false;
		}
		document.coarse.submit();
		return true
	}
	
	function validatecharter()
	{
		if(document.getElementById('area').value=="")
		{  
		   alert("Please Enter Area.");
		   document.getElementById('area').focus();
		   return false;
		}
		
			if(document.getElementById('boat').value=="")
		{  
		   alert("Please Enter Boat.");
		   document.getElementById('boat').focus();
		   return false;
		}
		
			if(document.getElementById('description').value=="")
		{  
		   alert("Please Enter Description.");
		   document.getElementById('description').focus();
		   return false;
		}
			
		if(document.getElementById('email'))
		{
			var emailID=document.getElementById('email');
		  if ((emailID.value==null)||(emailID.value=="")){
			alert("Please Enter your Email ID")
			emailID.focus();
			return false;
		  }
		 if (echeck(emailID.value)==false){
			emailID.value="";
			emailID.focus();
			return false;
		   }
		}
		if(document.getElementById('contact').value=="")
		{  
		   alert("Please Enter Contact Details.");
		   document.getElementById('contact').focus();
		   return false;
		}
		if(document.getElementById('txtNumber').value=="")
		{  
		   alert("Please Enter Verification Code.");
		   document.getElementById('txtNumber').focus();
		   return false;
		}
		document.charter.submit();
		return true
	}
	
function validategallery()
{
	
	
	if(document.getElementById('name').value=="")
		{  
		   alert("Please Enter Name.");
		   document.getElementById('name').focus();
		   return false;
		}
		
		if(document.getElementById('area').value=="")
		{  
		   alert("Please Enter Area.");
		   document.getElementById('area').focus();
		   return false;
		}
		
			
			if(document.getElementById('species').value=="")
		{  
		   alert("Please Enter Species.");
		   document.getElementById('species').focus();
		   return false;
		}
		if(document.getElementById('weight').value=="")
		{  
		   alert("Please Enter Weight.");
		   document.getElementById('weight').focus();
		   return false;
		}
			if(document.getElementById('description').value=="")
		{  
		   alert("Please Enter Description.");
		   document.getElementById('description').focus();
		   return false;
		}
		if(document.getElementById('txtNumber').value=="")
		{  
		   alert("Please Enter Verification Code.");
		   document.getElementById('txtNumber').focus();
		   return false;
		}	
		
		
		document.gallery.submit();
		return true
	
	
	}