function validate_brain() {
	var businssphone =  checkPhone(document.frm.businssphone.value);
	businssphone =  checkPhoneBlanks(businssphone);

	if((businssphone.length > 0)) {
		if((businssphone.length > 0 && businssphone.length < 10 )){
			alert('Please enter valid business phone number');
			document.frm.businssphone.focus();
			retVal =  false;
			return false;
		}
		if ((isNaN(parseInt(businssphone)))){
			alert('Please enter valid business phone number');
			document.frm.businssphone.focus();
			retVal =  false;
			return false;
		}
	}
	
var cellphone =  checkPhone(document.frm.cellphone.value);
	cellphone =  checkPhoneBlanks(cellphone);

	if((cellphone.length > 0)) {
		if((cellphone.length > 0 && cellphone.length < 10 )){
			alert('Please enter valid cellular/pager number');
			document.frm.cellphone.focus();
			retVal =  false;
			return false;
		}
		if ((isNaN(parseInt(cellphone)))){
			alert('Please enter valid cellular/pager number');
			document.frm.cellphone.focus();
			retVal =  false;
			return false;
		}
	}
}
//Checking the phone number is valid or not
	function checkPhone(entry)
	{
		var len = entry.length ;
		var foundBlank = 1;
		while(foundBlank == 1 && len > 0) 
		{
			var indx = entry.indexOf("-");
			if(indx == -1) 
				foundBlank = 0 ;
			else
				entry = entry.substring(0,indx) + entry.substring(indx+1,len);
			len = entry.length;
		}
		return entry;
	}
//Checking the phone fileld is blank or not
	function checkPhoneBlanks(entry)
	{
		var len = entry.length ;
		var foundBlank = 1;
		while(foundBlank == 1 && len > 0) 
		{
			var indx = entry.indexOf("_");
			if(indx == -1) 
				foundBlank = 0 ;
			else
				entry = entry.substring(0,indx) + entry.substring(indx+1,len);
			len = entry.length;
		}
		return entry;
	}

function enableField()
{
if (document.frm.injury_case.checked == true){
document.frm.injury_case_other.disabled=true;
}else {
document.frm.injury_case_other.disabled=false;
}
}
function enableOther()
{
if (document.frm.injury.checked == true){
document.frm.injury_other.disabled=true;
}else {
document.frm.injury_other.disabled=false;
}
}
function disableOther()
{
	var i;
	if (document.frm.injury[0].checked==true){
       for (i=1;i<document.frm.injury.length;i++){
		document.frm.injury[i].disabled=true;	
	   }
	}
}
function disableOthercombo()
{
if (document.frm.symptom_none.checked == true){
document.frm.symptom_headaches.checked=false;
document.frm.symptom_dizziness.checked=false;
document.frm.symptom_vertigo.checked=false;
document.frm.symptom_lossofsleep.checked=false;
document.frm.symptom_memoryloss.checked=false;
document.frm.symptom_difficultywithnumbers.checked=false;
document.frm.symptom_sensitivitytolight.checked=false;
document.frm.symptom_depression.checked=false;
document.frm.symptom_personalitychange.checked=false;

document.frm.symptom_headaches.disabled=true;
document.frm.symptom_dizziness.disabled=true;
document.frm.symptom_vertigo.disabled=true;
document.frm.symptom_lossofsleep.disabled=true;
document.frm.symptom_memoryloss.disabled=true;
document.frm.symptom_difficultywithnumbers.disabled=true;
document.frm.symptom_sensitivitytolight.disabled=true;
document.frm.symptom_depression.disabled=true;
document.frm.symptom_personalitychange.disabled=true;
}
else
{
document.frm.symptom_headaches.disabled=false;
document.frm.symptom_dizziness.disabled=false;
document.frm.symptom_vertigo.disabled=false;
document.frm.symptom_lossofsleep.disabled=false;
document.frm.symptom_memoryloss.disabled=false;
document.frm.symptom_difficultywithnumbers.disabled=false;
document.frm.symptom_sensitivitytolight.disabled=false;
document.frm.symptom_depression.disabled=false;
document.frm.symptom_personalitychange.disabled=false;

}
}
 function enable()
{
document.frm.symptom_headaches.disabled=false;
document.frm.symptom_dizziness.disabled=false;
document.frm.symptom_vertigo.disabled=false;
document.frm.symptom_lossofsleep.disabled=false;
document.frm.symptom_memoryloss.disabled=false;
document.frm.symptom_difficultywithnumbers.disabled=false;
document.frm.symptom_sensitivitytolight.disabled=false;
document.frm.symptom_depression.disabled=false;
document.frm.symptom_personalitychange.disabled=false;
}