// JavaScript Document
function LTrim( value ) {
 	var re = /\s*((\S+\s*)*)/;
   	return value.replace(re, "$1");
     	
     }
     
    // Removes ending whitespaces
  function RTrim( value ) {
    	
  	var re = /((\s*\S+)*)\s*/;
   	return value.replace(re, "$1");
   	
   }
    
 // Removes leading and ending whitespaces
   function trim( value ) {
  	
    	return LTrim(RTrim(value));
   }


function apply_validation()
 {
    var check=validate_form_field();
	if(check!=false)
	 {
	  document.registration.action="";
	  document.registration.submit();
	  return false;
	 }
	 
 }
 function  validate_form_field()
  {
	  
	  if(document.registration.combined_inspection.checked==false && document.registration.building_inspection.checked==false)
	   {
		 alert("Please checked the type of inspection");
		 return false;
	  }
	 if(trim(document.registration.name.value)=="")
	  {
       alert("Please enter the name");
	   document.registration.name.focus();
	   return false;
	  }		
   if(trim(document.registration.deadline.value)=="")
	  {
       alert("Please enter the deadline");
	   document.registration.deadline.focus();
	   return false;
	  }
     if(trim(document.registration.deadline.value)=="")
	  {
       alert("Please enter the deadline");
	   document.registration.deadline.focus();
	   return false;
	  }
	    if(trim(document.registration.phone1.value)=="")
	  {
       alert("Please enter the phone no");
	   document.registration.phone1.focus();
	   return false;
	  }
   if((trim(document.registration.phone1.value))!="")
		  {
          var str=document.registration.phone1.value;
			var str1=document.registration.phone1.value.length;
			var iChars = "*|\"<>[]{}`\';()@&$#%ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqqrstuvwxyz";
			for (var i = 0; i <str1; i++)
			{
				if(iChars.indexOf(str.charAt(i)) != -1)
				{
					alert("Enter valid phone number.");
					document.registration.phone1.value="";
					document.registration.phone1.focus();
					return false;
				}
			}
	  }	
	  
     	if(trim(document.registration.email.value)=="")
		{
		   alert("Please enter the email address");	
		   document.registration.email.focus();
		   return false;
		}
		else
			 {
				var str=document.registration.email.value;
				var at="@"
				var dot="."
				var lat=str.indexOf(at)
				var lstr=str.length
				var ldot=str.indexOf(dot)
				if (str.indexOf(at)==-1)
				{
				   alert("Invalid E-mail ID")
				   return false
				}
		
				if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
				{
				   alert("Invalid E-mail ID")
				   return false
				}
		
				if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
				{
					alert("Invalid E-mail ID")
					return false
				}
		
				 if (str.indexOf(at,(lat+1))!=-1)
				 {
					alert("Invalid E-mail ID")
					return false
				 }
		
				 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
				 {
					alert("Invalid E-mail ID")
					return false
				 }
		
				 if (str.indexOf(dot,(lat+2))==-1)
				 {
					alert("Invalid E-mail ID")
					return false
				 }
				
				 if (str.indexOf(" ")!=-1)
				 {
					alert("Invalid E-mail ID")
					return false
				 }
			 
			 }
			  	  
	  
	  
	   if(trim(document.registration.address.value)=="")
	  {
       alert("Please enter the address");
	   document.registration.address.focus();
	   return false;
	  }	
	  
	   if(document.registration.building_type.checked==false && document.registration.building_type2.checked==false && document.registration.building_type3.checked==false && document.registration.building_type4.checked==false)
	   {
		 alert("Please checked atleast one buildings type");
		 return false;
	  }
	  
	   if(trim(document.registration.agent_name.value)=="")
	  {
       alert("Please enter the agent name");
	   document.registration.agent_name.focus();
	   return false;
	  }	
	   if(trim(document.registration.agent_phone.value)=="")
	  {
       alert("Please enter the agent phone no");
	   document.registration.agent_phone.focus();
	   return false;
	  } 
	 if((trim(document.registration.agent_phone.value))!="")
		  {
          var str=document.registration.agent_phone.value;
			var str1=document.registration.agent_phone.value.length;
			var iChars = "*|\"<>[]{}`\';()@&$#%ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqqrstuvwxyz";
			for (var i = 0; i <str1; i++)
			{
				if(iChars.indexOf(str.charAt(i)) != -1)
				{
					alert("Enter valid agent phone number.");
					document.registration.agent_phone.value="";
					document.registration.agent_phone.focus();
					return false;
				}
			}
	  } 
	  
	   if(document.registration.attend.checked==false && document.registration.atend.checked==false)
	   {
		 alert("Please checked attend option");
		 return false;
	  }
	  
	  if(document.registration.agree.checked==false)
	   {
		 alert("Please checked the term and condition box");
		 return false;
	  }
	 /*    if(trim(document.registration.security_code.value)=="")
	  {
       alert("Please enter the security code");
	   document.registration.security_code.focus();
	   return false;
	  } 
   */

	  
	  
	    		

	
 
	  
	  
	  
}