var message='';
function numericValidation(str,str1)
{
	var validChar="0123456789";
	var inputStr= document.getElementById(str).value;
	if (str1=='mobile')
	{
		if (inputStr.length!=10)
		{
			alert("Not a valid mobile number");
			document.getElementById(str).value="";
			setTimeout(function(){document.getElementById(str).focus()},2);
			return false;
		}
		if (inputStr.charAt(0)!='9')
		{
			alert("Not a valid mobile number");
			document.getElementById(str).value="";
			setTimeout(function(){document.getElementById(str).focus()},2);
			return false;
		}
	}
	for (i=0;i<inputStr.length;i++)
	{
		if (validChar.indexOf(inputStr.charAt(i))==-1)
		{
			alert("Please enter a valid number");
			document.getElementById(str).value="";
			setTimeout(function(){document.getElementById(str).focus()},2);
			return false;
		}
	}
	return true;
}


function echeck(str)
{
		//alert("Entered echeck");
		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.charAt(lstr-1)==dot || str.charAt(lstr-1)==at)
		{
			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;
		 }

 		 return true;					
	}

function emailValidation(){
	var emailID=document.getElementById('email');
	
	if ((emailID.value==null)||(emailID.value==""))
	{
		alert("Please Enter your Email ID");
		message +="Please Enter your Email ID";
		setTimeout(function(){document.getElementById('email').focus()},2);
		return false;
	}
	if (echeck(emailID.value)==false){
		document.getElementById('email').value="";
		setTimeout(function(){document.getElementById('email').focus()},2);
		return false;
	}
	return true;
 }

function ShowHide(PowerConverter,EnergyConverter,VolumeConverter,PressureConverter )
{
if(document.getElementById(PowerConverter).style.display == 'none')
{
document.getElementById(PowerConverter).style.display='block';
}
else
{
document.getElementById(PowerConverter).style.display = 'none';
}
if(document.getElementById(EnergyConverter).style.display == 'none')
{
document.getElementById(EnergyConverter).style.display='block';
}
else
{
document.getElementById(EnergyConverter).style.display = 'none';
}
if(document.getElementById(VolumeConverter).style.display == 'none')
{
document.getElementById(VolumeConverter).style.display='block';
}
else
{
document.getElementById(VolumeConverter).style.display = 'none';
}
if(document.getElementById(PressureConverter).style.display == 'none')
{
document.getElementById(PressureConverter).style.display='block';
}
else
{
document.getElementById(PressureConverter).style.display = 'none';
}
if(document.getElementById(divId).style.display == 'none')
{
document.getElementById(divId).style.display='block';
}
else
{
document.getElementById(divId).style.display = 'none';
}
}