function echeck(str) {

		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.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 checkFormValue()
	{
			if(document.getElementById("fname").value=='' || document.getElementById("fname").value=='NULL' || document.getElementById("fname").value=='Enter your first name...')
				{
				alert("Please enter your first name");
				return false;
				}
		else if(document.getElementById("lname").value=='' || document.getElementById("lname").value=='NULL' || document.getElementById("lname").value=='Enter your last name...')
				{
				alert("Please enter your last name");
				return false;
				}	
			else if(document.getElementById("email").value=='' || document.getElementById("email").value=='NULL' || document.getElementById("email").value=='Enter your email...')
				{
					alert("Please enter your email");
					return false;
				}
			else if(document.getElementById("phone").value=='' || document.getElementById("phone").value=='NULL' || document.getElementById("phone").value=='Enter your phone...')
				{
				alert("Please enter your phone");
				return false;
				}				
			else if(document.getElementById("specialty").value=='' || document.getElementById("specialty").value=='NULL')
				{
				alert("Please enter your specialty");
				return false;
				}
			else	
			{
				var x=document.getElementById("email").value;
					return echeck(x);
						
			}
		
		return true;	
	}
function checkFormValueSide()
	{
			if(document.getElementById("fname_side").value=='' || document.getElementById("fname_side").value=='NULL' || document.getElementById("fname_side").value=='Enter your first name...')
				{
				alert("Please enter your first name");
				return false;
				}
		else if(document.getElementById("lname_side").value=='' || document.getElementById("lname_side").value=='NULL' || document.getElementById("lname_side").value=='Enter your last name...')
				{
				alert("Please enter your last name");
				return false;
				}	
			else if(document.getElementById("email_side").value=='' || document.getElementById("email_side").value=='NULL' || document.getElementById("email_side").value=='Enter your email...')
				{
					alert("Please enter your email");
					return false;
				}
			else if(document.getElementById("phone_side").value=='' || document.getElementById("phone_side").value=='NULL' || document.getElementById("phone_side").value=='Enter your phone...')
				{
				alert("Please enter your Phone");
				return false;
				}
			else if(document.getElementById("specialty_side").value=='' || document.getElementById("specialty_side").value=='NULL')
				{
				alert("Please enter your specialty");
				return false;
				}			
			else	
			{
				var x=document.getElementById("email_side").value;
					return echeck(x);
						
			}
		
		return true;	
	}