function checkAll() 
{
document.navform.commercial.checked=true;
document.navform.cproperty.checked=true;
document.navform.cliability.checked=true;
document.navform.cother.checked=true;
document.navform.personal.checked=true;
document.navform.pauto.checked=true;
document.navform.presidential.checked=true;
document.navform.pother.checked=true;
document.navform.lifehealth.checked=true;
document.navform.management.checked=true;
document.navform.methics.checked=true;
document.navform.mother.checked=true;
document.navform.flood.checked=true;
document.navform.farmag.checked=true;
document.navform.fliability.checked=true;
document.navform.fproperty.checked=true;
}

function clearAll()
{
document.navform.commercial.checked=false;
document.navform.cproperty.checked=false;
document.navform.cliability.checked=false;
document.navform.cother.checked=false;
document.navform.personal.checked=false;
document.navform.pauto.checked=false;
document.navform.presidential.checked=false;
document.navform.pother.checked=false;
document.navform.lifehealth.checked=false;
document.navform.management.checked=false;
document.navform.methics.checked=false;
document.navform.mother.checked=false;
document.navform.flood.checked=false;
document.navform.farmag.checked=false;
document.navform.fliability.checked=false;
document.navform.fproperty.checked=false;
}

function commercialCheck()
{
if(document.navform.commercial.checked == false) 
	{
	document.navform.cliability.checked=false;
	document.navform.cproperty.checked=false;
	document.navform.cother.checked=false;
	}
else
	{
	document.navform.cliability.checked=true;
	document.navform.cproperty.checked=true;
	document.navform.cother.checked=true;
	}
}

function cliabilityCheck()
{
if(document.navform.cliability.checked == false) 
	{
	document.navform.commercial.checked=false;
	}
}

function cpropertyCheck()
{
if(document.navform.cproperty.checked == false) 
	{
	document.navform.commercial.checked=false;
	}
}

function cotherCheck()
{
if(document.navform.cother.checked == false) 
	{
	document.navform.commercial.checked=false;
	}
}

function personalCheck()
{
if(document.navform.personal.checked == false) 
	{
	document.navform.pauto.checked=false;
	document.navform.presidential.checked=false;
	document.navform.pother.checked=false;
	}
else
	{
	document.navform.pauto.checked=true;
	document.navform.presidential.checked=true;
	document.navform.pother.checked=true;
	}
}

function pautoCheck()
{
if(document.navform.pauto.checked == false) 
	{
	document.navform.personal.checked=false;
	}
}

function presidentialCheck()
{
if(document.navform.presidential.checked == false) 
	{
	document.navform.personal.checked=false;
	}
}

function potherCheck()
{
if(document.navform.pother.checked == false) 
	{
	document.navform.personal.checked=false;
	}
}

function managementCheck()
{
if(document.navform.management.checked == false) 
	{
	document.navform.methics.checked=false;
	document.navform.mother.checked=false;
	}
else
	{
	document.navform.methics.checked=true;
	document.navform.mother.checked=true;
	}
}

function methicsCheck()
{
if(document.navform.methics.checked == false) 
	{
	document.navform.management.checked=false;
	}
}

function motherCheck()
{
if(document.navform.mother.checked == false) 
	{
	document.navform.management.checked=false;
	}
}

function farmagCheck()
{
if(document.navform.farmag.checked == false) 
	{
	document.navform.fliability.checked=false;
	document.navform.fproperty.checked=false;
	}
else
	{
	document.navform.fliability.checked=true;
	document.navform.fproperty.checked=true;
	}
}

function fliabilityCheck()
{
if(document.navform.fliability.checked == false) 
	{
	document.navform.farmag.checked=false;
	}
}

function fpropertyCheck()
{
if(document.navform.fproperty.checked == false) 
	{
	document.navform.farmag.checked=false;
	}
}