// JavaScript Document
function full_check()
{
  var str=document.maintenance.email.value;
//alert(str);

     if (document.maintenance.company.value=="")
        {
           alert ("Please type your Company Name.");
           document.maintenance.company.select(); 
           return false;
	    }  
		if (document.maintenance.con_id.value=="")
        {
           alert ("Please enter maintenance contract id.");
           document.maintenance.con_id.select(); 
           return false;
	    }  
		if (document.maintenance.phone.value=="")
        {
           alert ("Please enter phone number.");
           document.maintenance.phone.select(); 
           return false;
	    }  
		if (document.maintenance.prob.value=="")
        {
           alert ("Please describe the problem.");
           document.maintenance.prob.select(); 
           return false;
	    }  
		if (document.maintenance.email.value=="")
        {
           alert ("Please enter your Email ID.");
           document.maintenance.email.select(); 
           return false;
	    }  
		if ((document.maintenance.email.value).indexOf(" ")>=0)
		{
		alert ("Blank space not allowed inside Email!");
		document.maintenance.email.select();
		return false;
		}
	
		if (document.maintenance.email.value.indexOf("@",1) == -1)
		{
			alert("Invalid E-Mail address");
			document.maintenance.email.focus();
			document.maintenance.email.select();
			return(false);
		}
		if (document.maintenance.email.value.indexOf("@") == 0)
		{
			alert("Invalid E-Mail address");
			document.maintenance.email.focus();
			document.maintenance.email.select();
			return(false);
		}
		if (document.maintenance.email.value.indexOf(".",5) == -1)
		{
			alert("Invalid E-Mail address");
			document.maintenance.email.focus();
			document.maintenance.email.select();
			return(false);
		}
		if (document.maintenance.email.value.indexOf(".") == 0)
		{
			alert("Invalid E-Mail address");
			document.maintenance.email.focus();
			document.maintenance.email.select();
			return(false);
		}
		
		if ((document.maintenance.email.value.lastIndexOf(".")) -(document.maintenance.email.value.indexOf("@"))<4 )
		{
		
			alert("Invalid E-Mail address");
			document.maintenance.email.focus();
			document.maintenance.email.select();
			return(false);
		}
		
		
			
}