var tabs = new Array("C1","C2","C3");

  function displayTab(tabName) {
	  
    for ( i = 0; i < tabs.length; i++ ) {
      var tab = document.getElementById(tabs[i]);
      if ( tabName == tabs[i] ) {
       
		 tab.style.display = 'inline';
		if(tabName=='C1')
		{
			
		document.getElementById('w2').style.display='block';
		document.getElementById('w1').style.display='none';
		document.getElementById('w3').style.display='none';
		}
		if(tabName=='C2')
		{
		document.getElementById('w3').style.display='none';
		document.getElementById('w1').style.display='block';
		document.getElementById('w2').style.display='none';
		}
		if(tabName=='C3')
		{
		document.getElementById('w1').style.display='block';
		document.getElementById('w3').style.display='none';
		document.getElementById('w2').style.display='none';
		}
		
      } else {
        tab.style.display = 'none';
		
      }
    }
  }
  
   
function validation()
{
	
regexy = /^[\w\.]+@[a-zA-Z_]+?\.[a-zA-Z\.]{2,6}$/;
               
var d=document.getElementById('errormsg');

var f=regexy.test(document.sampleform.email.value);

		if( document.sampleform.description.value=="")
		{	
			d.innerHTML='please fill description';	
			return false;	
		}
		else if( document.sampleform.firstinput.value=="")
		{
			
			d.innerHTML='please fill  date';	
			return false;		
		}
		
		else if( document.sampleform.fname.value=="")
		{
			d.innerHTML='please fill  name';	
			return false;		
		}
		else if( document.sampleform.company.value=="")
		{
			d.innerHTML='please fill  company';	
			return false;		
		}
		else if( document.sampleform.email.value=="")
		{
			d.innerHTML='please fill  email';	
			return false;		
		}
		 else if(f==false)
		{
			
				 d.innerHTML='please fill correct email address';	
			return false;	
		}
		else if( document.sampleform.address.value=="")
		{
			d.innerHTML='please fill  address';	
			return false;		
		}
		else if( document.sampleform.phone.value=="")
		{
			d.innerHTML='please fill  phone';	
			return false;		
		}
		else if( document.sampleform.saddress.value=="")
		{
			d.innerHTML='please fill site address';	
			return false;		
		}
		else if( document.sampleform.phone.value=="")
		{
			d.innerHTML='please fill  phone';	
			return false;		
		}
		else if( document.sampleform.saddress.value=="")
		{
			d.innerHTML='please fill site address';	
			return false;		
		}
		
	        return true;	
}
	

function validatfinal1()
{
	
var d=document.getElementById('errormsg');

var x=document.getElementById('address1');

var s=document.getElementById('address');

		
		
								
				if(s.checked==true) 
				{
						
						
					x.checked=false;
					s.checked=true;
					d.innerHTML='Truck Access yes/no';
				}
				
				if(s.checked==false) 
				{
						
						
					//x.checked=true;
					s.checked=false;
					d.innerHTML='';
				}
}



function validatefinal12()
{
	
var d=document.getElementById('errormsg');

var x=document.getElementById('address1');

var s=document.getElementById('address');

		
		
								
				if(x.checked==true) 
				{
						
						
					s.checked=false;
					x.checked=true;
					d.innerHTML='Truck Access yes/no';
				}
				
				if(x.checked==false) 
				{
						
						
					//s.checked=true;
					x.checked=false;
					d.innerHTML='';
				}
			}
function validatsurface()
{
	
var d=document.getElementById('errormsg');

var x1=document.getElementById('surface1');

var s1=document.getElementById('surface');

		
		
								
				if(s1.checked==true) 
				{
						
						
					x1.checked=false;
					s1.checked=true;
					d.innerHTML='Nation be placed on? yes/no';
				}
				
				if(s1.checked==false) 
				{
						
						
					//x.checked=true;
					s1.checked=false;
					d.innerHTML='';
				}
}



function validatsurface1()
{
	
var d=document.getElementById('errormsg');

var x1=document.getElementById('surface1');

var s1=document.getElementById('surface');

		
		
								
				if(x1.checked==true) 
				{
						
						
					s1.checked=false;
					x1.checked=true;
					d.innerHTML='Nation be placed on? yes/no';
				}
				
				if(x1.checked==false) 
				{
						
						
					//s.checked=true;
					x1.checked=false;
					d.innerHTML='';
				}
			}



function validatetiming()
{
	
var d=document.getElementById('errormsg');

var x2=document.getElementById('timing1');

var s2=document.getElementById('timing');

		
		
								
				if(s2.checked==true) 
				{
						
						
					x2.checked=false;
					s2.checked=true;
					d.innerHTML='Set up Timing?yes/no';
				}
				
				if(s2.checked==false) 
				{
						
						
					//x.checked=true;
					s2.checked=false;
					d.innerHTML='';
				}
}



function validatetiming1()
{
	
var d=document.getElementById('errormsg');

var x2=document.getElementById('timing1');

var s2=document.getElementById('timing');

		
		
								
				if(x2.checked==true) 
				{
						
						
					s2.checked=false;
					x2.checked=true;
					d.innerHTML='Set up Timing?yes/no';
				}
				
				if(x2.checked==false) 
				{
						
						
					//s.checked=true;
					x2.checked=false;
					d.innerHTML='';
				}
			}


function validatesecurity()
{
	
var d=document.getElementById('errormsg');

var x3=document.getElementById('security1');

var s3=document.getElementById('security');

		
		
								
				if(s3.checked==true) 
				{
						
						
					x3.checked=false;
					s3.checked=true;
					d.innerHTML='Security at the venue?yes/no';
				}
				
				if(s3.checked==false) 
				{
						
						
					//x.checked=true;
					s3.checked=false;
					d.innerHTML='';
				}
}



function validatesecurity1()
{
	
var d=document.getElementById('errormsg');

var x3=document.getElementById('security1');

var s3=document.getElementById('security');

		
		
								
				if(x3.checked==true) 
				{
						
						
					s3.checked=false;
					x3.checked=true;
					d.innerHTML='Security at the venue?yes/no';
				}
				
				if(x3.checked==false) 
				{
						
						
					//s.checked=true;
					x3.checked=false;
					d.innerHTML='';
				}
			}
function validatliquor()
{
	
var d=document.getElementById('errormsg');

var x4=document.getElementById('liquor1');

var s4=document.getElementById('liquor');

		
		
								
				if(s4.checked==true) 
				{
						
						
					x4.checked=false;
					s4.checked=true;
					d.innerHTML='Liquor licence required?yes/no';
				}
				
				if(s4.checked==false) 
				{
						
						
					//x.checked=true;
					s4.checked=false;
					d.innerHTML='';
				}
}



function validatliquor1()
{
	
var d=document.getElementById('errormsg');

var x4=document.getElementById('liquor1');

var s4=document.getElementById('liquor');

		
		
								
				if(x4.checked==true) 
				{
						
						
					s4.checked=false;
					x4.checked=true;
					d.innerHTML='Liquor licence required?yes/no';
				}
				
				if(x4.checked==false) 
				{
						
						
					//s.checked=true;
					x4.checked=false;
					d.innerHTML='';
				}
			}


function validatpower()
{
	
var d=document.getElementById('errormsg');

var x5=document.getElementById('power1');

var s5=document.getElementById('power');

		
		
								
				if(s5.checked==true) 
				{
						
						
					x5.checked=false;
					s5.checked=true;
					d.innerHTML='Power?yes/no';
				}
				
				if(s5.checked==false) 
				{
						
						
					//x.checked=true;
					s5.checked=false;
					d.innerHTML='';
				}
}



function validatpower1()
{
	
var d=document.getElementById('errormsg');

var x5=document.getElementById('power1');

var s5=document.getElementById('power');

		
		
								
				if(x5.checked==true) 
				{
						
						
					s5.checked=false;
					x5.checked=true;
					d.innerHTML='Power?yes/no';
				}
				
				if(x5.checked==false) 
				{
						
						
					//s.checked=true;
					x5.checked=false;
					d.innerHTML='';
				}
			}

function validatwater()
{
	
var d=document.getElementById('errormsg');

var x6=document.getElementById('water1');

var s6=document.getElementById('water');

		
		
								
				if(s6.checked==true) 
				{
						
						
					x6.checked=false;
					s6.checked=true;
					d.innerHTML='Water?yes/no';
				}
				
				if(s6.checked==false) 
				{
						
						
					//x.checked=true;
					s6.checked=false;
					d.innerHTML='';
				}
}



function validatwater1()
{
	
var d=document.getElementById('errormsg');

var x6=document.getElementById('water1');

var s6=document.getElementById('water');

		
		
								
				if(x6.checked==true) 
				{
						
						
					s6.checked=false;
					x6.checked=true;
					d.innerHTML='Water?yes/no';
				}
				
				if(x6.checked==false) 
				{
						
						
					//s.checked=true;
					x6.checked=false;
					d.innerHTML='';
				}
			}
function validatwaste()
{
	
var d=document.getElementById('errormsg');

var x7=document.getElementById('waste1');

var s7=document.getElementById('waste');

		
		
								
				if(s7.checked==true) 
				{
						
						
					x7.checked=false;
					s7.checked=true;
					d.innerHTML='Grey Water Waste?yes/no';
				}
				
				if(s7.checked==false) 
				{
						
						
					//x.checked=true;
					s7.checked=false;
					d.innerHTML='';
				}
}



function validatwaste1()
{
	
var d=document.getElementById('errormsg');

var x7=document.getElementById('waste1');

var s7=document.getElementById('waste');

		
		
								
				if(x7.checked==true) 
				{
						
						
					s7.checked=false;
					x7.checked=true;
					d.innerHTML='Grey Water Waste?yes/no';
				}
				
				if(x7.checked==false) 
				{
						
						
					//s.checked=true;
					x7.checked=false;
					d.innerHTML='';
				}
			}
			function validation1()
{
	var d=document.getElementById('errormsg');

	 if( document.sampleform.utility.value=="")
		{
			d.innerHTML='please fill utility';	
			return false;		
		}
       return true;	
}

function validatevent()
{
	
var d=document.getElementById('errormsg');

var x8=document.getElementById('event1');

var s8=document.getElementById('event');

		
		
								
				if(s8.checked==true) 
				{
						
						
					x8.checked=false;
					s8.checked=true;
					d.innerHTML='Is recycling available at the event?yes/no';
				}
				
				if(s8.checked==false) 
				{
						
						
					//x.checked=true;
					s8.checked=false;
					d.innerHTML='';
				}
}



function validatevent1()
{
	
var d=document.getElementById('errormsg');

var x8=document.getElementById('event1');

var s8=document.getElementById('event');

		
		
								
				if(x8.checked==true) 
				{
						
						
					s8.checked=false;
					x8.checked=true;
					d.innerHTML='Is recycling available at the event?yes/no';
				}
				
				if(x8.checked==false) 
				{
						
						
					//s.checked=true;
					x8.checked=false;
					d.innerHTML='';
				}
			}



function validatbins()
{
	
var d=document.getElementById('errormsg');

var x9=document.getElementById('other');
var s9=document.getElementById('bags');
var z9=document.getElementById('bins');

		
		
								
				if(z9.checked==true) 
				{
						
						
					x9.checked=false;
					s9.checked=false;
					z9.checked=true;
					d.innerHTML='what means? bins/bags/other';
				}
				
				
}



function validatbags()
{
	
var d=document.getElementById('errormsg');

var x9=document.getElementById('other');

var s9=document.getElementById('bags');
var z9=document.getElementById('bins');

		
		
								
				if(s9.checked==true) 
				{
						
						
					z9.checked=false;
					x9.checked=false;
					s9.checked=true;
					d.innerHTML='what means? bins/bags/other';
				}
				
			}
function validatother()
{
	
var d=document.getElementById('errormsg');


var x9=document.getElementById('other');

var s9=document.getElementById('bags');
var z9=document.getElementById('bins');

		
		
								
				if(x9.checked==true) 
				{
						
						
					s9.checked=false;
					z9.checked=false;
					x9.checked=true;
					d.innerHTML='what means? bins/bags/other';
				}
				
				
			}