function ChksNull()
	{
		var fname= document.getElementById("fname").value;
		var comp_name= document.getElementById("comp_name").value;	
        var lname= document.getElementById("lname").value; 
        var tele1= document.getElementById("mtele1").value;
		var tele2= document.getElementById("mtele2").value;
		var tele3= document.getElementById("mtele3").value;
		/*var fax1= document.getElementById("mfax1").value;
		var fax2= document.getElementById("mfax2").value;
		var fax3= document.getElementById("mfax3").value;*/
		var sadd1= document.getElementById("shaddr1").value;
		var badd1= document.getElementById("baddr1").value;
		var scity= document.getElementById("scity").value;
		var bcity= document.getElementById("bcity").value;
		var scountry= document.getElementById("scountry").value;
		var country= document.getElementById("country").value;
		var sstate= document.getElementById("shstate").value;
		var state= document.getElementById("state").value;
		var szip1= document.getElementById("szipcode1").value;
		var bzip1= document.getElementById("bzipcode1").value;
		var email= document.getElementById("login_email").value;
		var qus= document.getElementById("sec_q").value;
		var pass= document.getElementById("user_pass").value;
		var how_hear= document.getElementById("how_hear").value;		
		var ans= document.getElementById("sec_ans").value;
		var vcode = document.getElementById("vcode").value;
		
		var cd = document.getElementById("vcode_img").value;
		
        var sub_t = email.substring(email.indexOf("."), email.length-1);

		if(fname=="")
		{
		   hideAllErrors();
		   document.getElementById("efname").style.display="inline";
		   document.getElementById("fname").focus();
		   return false;
		}
		else if(comp_name=="")
		{
		   hideAllErrors();
		   document.getElementById("ecomp_name").style.display="inline";
		   document.getElementById("comp_name").focus();
		   return false;
		}
		else if(lname=="")
		{
		   hideAllErrors();
		   document.getElementById("elname").style.display="inline";
		   document.getElementById("lname").focus();
		   return false;
		}
		else if(tele1=="")
		{ 
		  hideAllErrors();
		  document.getElementById("etele").style.display="inline";
		  document.getElementById("mtele1").focus();
		  return false;
		}  
		else if(isNaN(tele1))
		{
		  hideAllErrors();
		  document.getElementById("etelep").style.display="inline";
		  document.getElementById("mtele1").focus();
		  return false;
		}
		else if(tele2=="")
		{ 
		  hideAllErrors();
		  document.getElementById("etele").style.display="inline";
		  document.getElementById("mtele2").focus();
		  return false;
		}  
		else if(isNaN(tele2))
		{
		  hideAllErrors();
		  document.getElementById("etelep").style.display="inline";
		  document.getElementById("mtele2").focus();
		  return false;
		}
		else if(tele3=="")
		{ 
		  hideAllErrors();
		  document.getElementById("etele").style.display="inline";
		  document.getElementById("mtele3").focus();
		  return false;
		}  
		else if(isNaN(tele3))
		{
		  hideAllErrors();
		  document.getElementById("etelep").style.display="inline";
		  document.getElementById("mtele3").focus();
		  return false;
		}
		else if(badd1=="")
		{
		   hideAllErrors();
		   document.getElementById("ebaddr1").style.display="inline";
		   document.getElementById("baddr1").focus();
		   return false;
		}
		else if(bcity=="")
		{
		   hideAllErrors();
		   document.getElementById("ebcity").style.display="inline";
		   document.getElementById("bcity").focus();
		   return false;
		}
		else if(country=="" || country==0)
		{
		   hideAllErrors();
		   document.getElementById("econ").style.display="inline";
		   document.getElementById("country").focus();
		   return false;
		}
        else if(state=="" || state==0)
		{
		   hideAllErrors();
		   document.getElementById("estate").style.display="inline";
		   document.getElementById("state").focus();
		   return false;
		}
		else if(bzip1=="")
		{
		   hideAllErrors();
		   document.getElementById("ezip").style.display="inline";
		   document.getElementById("bzipcode1").focus();
		   return false;
		}
		else if(isNaN(bzip1))
		{
		   hideAllErrors();
		   document.getElementById("ezipp").style.display="inline";
		   document.getElementById("bzipcode1").focus();
		   return false;
		}
		else if(sadd1=="")
		{
		   hideAllErrors();
		   document.getElementById("eshaddr1").style.display="inline";
		   document.getElementById("shaddr1").focus();
		   return false;
		}
		else if(scity=="")
		{
		   hideAllErrors();
		   document.getElementById("escity").style.display="inline";
		   document.getElementById("scity").focus();
		   return false;
		}
		else if(scountry=="" || scountry==0)
		{
		   hideAllErrors();
		   document.getElementById("escon").style.display="inline";
		   document.getElementById("scountry").focus();
		   return false;
		}
		else if(sstate=="" || sstate==0)
		{
		   hideAllErrors();
		   document.getElementById("esstate").style.display="inline";
		   document.getElementById("shstate").focus();
		   return false;
		}
		else if(szip1=="")
		{
		   hideAllErrors();
		   document.getElementById("eszip").style.display="inline";
		   document.getElementById("szipcode1").focus();
		   return false;
		}
		else if(isNaN(szip1))
		{
		   hideAllErrors();
		   document.getElementById("eszipp").style.display="inline";
		   document.getElementById("szipcode1").focus();
		   return false;
		}
		
		else if(email=="")
		{
		   hideAllErrors();
		   document.getElementById("eemail").style.display="inline";
		   document.getElementById("login_email").focus();
		   return false;
		} 
		else if(email.indexOf("@")<3)	 
	 	{  
		   hideAllErrors();
		   document.getElementById("eemailp").style.display="inline";
		   document.getElementById("login_email").focus();
		   return false;
	    }
	    else if(email.indexOf(".")<0)	 
	 	{  
		   hideAllErrors();
		   document.getElementById("eemailp").style.display="inline";
		   document.getElementById("login_email").focus();
		   return false;
	    }	
		else if(sub_t.length<2)
		{  
		   hideAllErrors();
		   document.getElementById("eemailp").style.display="inline";
		   document.getElementById("login_email").focus();
		   return false;
	    }
		
	  /*	
	    lastIndexOf(substr, [start])
		else if ((email.indexOf(".com")<5)&&(email.indexOf(".org")<5) && (email.indexOf(".gov")<5)&&(email.indexOf(".net")<5)
	&& (email.indexOf(".info")<6) && (email.indexOf(".mil")<5) && (email.indexOf(".in")<4) && (email.indexOf(".biz")<5))
		{
		   hideAllErrors();
		   document.getElementById("eemailp").style.display="inline";
		   document.getElementById("login_email").focus(); 
		   return false; 
 		} 
		*/

		else if(pass=="")
		{
		   hideAllErrors();
		   document.getElementById("euser_pass").style.display="inline";
		   document.getElementById("user_pass").focus();
		   return false;
		}
		else if(qus=="" || qus==-1)
		{
		   hideAllErrors();
		   document.getElementById("eqs_id").style.display="inline";
		   document.getElementById("sec_q").focus();
		   return false;
		}
		else if(ans=="")
		{
		   hideAllErrors();
		   document.getElementById("eans").style.display="inline";
		   document.getElementById("sec_ans").focus();
		   return false;
		}
		else if(how_hear=="")
		{
		   hideAllErrors();
		   document.getElementById("ehow_hear").style.display="inline";
		   document.getElementById("how_hear").focus();
		   return false;
		}		
		else if(vcode == "")
		{
			hideAllErrors();
			document.getElementById("vcodeerror").style.display = "inline";
			document.getElementById("vcode").focus();
			return false;
		}
		else if (cd != vcode)
		{
			hideAllErrors();	
			document.getElementById("vcodeerror").style.display = "inline";
			document.getElementById("vcode").focus();
			return false;
		}
	   return true;	
	}
	function hideAllErrors()
	{
	  document.getElementById("efname").style.display="none";
	  document.getElementById("elname").style.display="none";
	  document.getElementById("ecomp_name").style.display="none";
	  document.getElementById("etele").style.display="none";
	  document.getElementById("etelep").style.display="none";
	  document.getElementById("eshaddr1").style.display="none";
	  document.getElementById("ebaddr1").style.display="none";
	  document.getElementById("escity").style.display="none";
	  document.getElementById("ebcity").style.display="none";
	  document.getElementById("escon").style.display="none";
	  document.getElementById("econ").style.display="none";
	  
	  document.getElementById("esstate").style.display="none";
	  document.getElementById("eszip").style.display="none";
	  document.getElementById("eszipp").style.display="none";
	  
	  document.getElementById("estate").style.display="none";
	  document.getElementById("ezip").style.display="none";
	  document.getElementById("ezipp").style.display="none";
	  
	  document.getElementById("eemail").style.display="none";
	  document.getElementById("eemailp").style.display="none";
	  document.getElementById("euser_pass").style.display="none";
	  document.getElementById("eqs_id").style.display="none";
	  document.getElementById("eans").style.display="none";
	  document.getElementById("ehow_hear").style.display="none";
	  
	  document.getElementById("vcodeerror").style.display="none";
	}
	function ChksNull_graphimator()
	{
		var name= document.getElementById("txt_name").value;
		var comp_name= document.getElementById("txt_company").value;
		var email= document.getElementById("txt_email").value;
		
        var tele1= document.getElementById("txt_ph1").value;
		var tele2= document.getElementById("txt_ph2").value;
		var tele3= document.getElementById("txt_ph3").value;
		var how_hear= document.getElementById("how_hear").value;
		var how_hear_oth= document.getElementById("txt_other").value;
		
		var vcode = document.getElementById("vcode").value;
		
		var cd = document.getElementById("vcode_img").value;

		if(name=="")
		{
		   hideAllGhErrors();
		   document.getElementById("ename").style.display="inline";
		   document.getElementById("txt_name").focus();
		   return false;
		}
		else if(comp_name=="")
		{
		   hideAllGhErrors();
		   document.getElementById("ecomp_name").style.display="inline";
		   document.getElementById("txt_company").focus();
		   return false;
		}
		else if(email=="")
		{
		   hideAllGhErrors();
		   document.getElementById("eemail").style.display="inline";
		   document.getElementById("txt_email").focus();
		   return false;
		} 
		else if(email.indexOf("@")<2)	 
	 	{  
		   hideAllGhErrors();
		   document.getElementById("eemailp").style.display="inline";
		   document.getElementById("txt_email").focus();
		   return false;
	    }
	    else if(email.indexOf(".")<0)	 
	 	{  
		   hideAllGhErrors();
		   document.getElementById("eemailp").style.display="inline";
		   document.getElementById("txt_email").focus();
		   return false;
	    }
		
		else if(tele1=="")
		{ 
		  hideAllGhErrors();
		  document.getElementById("etele").style.display="inline";
		  document.getElementById("txt_ph1").focus();
		  return false;
		}  
		else if(isNaN(tele1))
		{
		  hideAllGhErrors();
		  document.getElementById("etelep").style.display="inline";
		  document.getElementById("txt_ph1").focus();
		  return false;
		}
		else if(tele2=="")
		{ 
		  hideAllGhErrors();
		  document.getElementById("etele").style.display="inline";
		  document.getElementById("txt_ph2").focus();
		  return false;
		}  
		else if(isNaN(tele2))
		{
		  hideAllGhErrors();
		  document.getElementById("etelep").style.display="inline";
		  document.getElementById("txt_ph2").focus();
		  return false;
		}
		else if(tele3=="")
		{ 
		  hideAllGhErrors();
		  document.getElementById("etele").style.display="inline";
		  document.getElementById("txt_ph3").focus();
		  return false;
		}  
		else if(isNaN(tele3))
		{
		  hideAllGhErrors();
		  document.getElementById("etelep").style.display="inline";
		  document.getElementById("txt_ph3").focus();
		  return false;
		}
			
		else if(how_hear=="")
		{
		   hideAllGhErrors();
		   document.getElementById("ehowhear").style.display="inline";
		   document.getElementById("how_hear").focus();
		   return false;
		}
		else if(how_hear=="Other" && how_hear_oth == "")
		{
			hideAllGhErrors();
		   document.getElementById("ehowhearoth").style.display="inline";
		   document.getElementById("txt_other").focus();
		   return false;
		}
		else if(vcode == "")
		{
			hideAllGhErrors();
			document.getElementById("vcodeerror").style.display = "inline";
			document.getElementById("vcode").focus();
			return false;
		}
		else if (cd != vcode)
		{
			hideAllGhErrors();
			document.getElementById("vcodeerror").style.display = "inline";
			document.getElementById("vcode").focus();
			return false;
		}
	   return true;	
	}
	function hideAllGhErrors()
	{
	  document.getElementById("ename").style.display="none";
	  document.getElementById("ecomp_name").style.display="none";
	  document.getElementById("eemail").style.display="none";
	  document.getElementById("eemailp").style.display="none";
	  document.getElementById("etele").style.display="none";
	  document.getElementById("etelep").style.display="none";
	  document.getElementById("ehowhear").style.display="none";
	  document.getElementById("vcodeerror").style.display="none";
	}
	
	function oth_how(val1)
	{
		var how_hearval = document.getElementById("how_hear");
		var how_hearother = document.getElementById("how_hear_oth");
		if(val1 == "Other")
		{
			how_hearother.style.display="inline";
			document.getElementById("ehowhear").style.display="none";
			
		}
		else
		{
			how_hearother.style.display="none";
		}
	}