function validate()
{
    var name = document.getElementById('name');	    	
    var email = document.getElementById('email');    			
	var comments = document.getElementById('comments');
	
    var isEmailValid = true;
	var isValid = true;
	
	if(email != null || email != "")
         isEmailValid  = validate_email(email.value); 
		 
	if(!isEmailValid)
	{
		changeClass(email);
	}
	else
	{
		unChangeClass(email);
	}		
    if(name.value =="" || name.value ==null)
	{
		changeClass(name);
	}
	else
	{
		unChangeClass(name);
	}
	
	if(comments.value =="" || comments.value ==null)
	{
		changeClass(comments);
	}
	else
	{
		unChangeClass(comments);
	}

    if(name.value =="" || name.value ==null ||  email.value == "" || email.value == null ||  comments.value =="" || comments.value == null || !isEmailValid)
    {
        return false;
        
    }
    else
    {
        changeBtnText();
        return true;	
    }
}
function changeBtnText()
{
    var submiBTN=document.getElementById('btnSubmit');
    submiBTN.value="Sending...";
}
function validateHomeContact()
{
    var name = document.getElementById('name');	    	
    var email = document.getElementById('email');    			
	var comments = document.getElementById('comments');
	
    var isEmailValid = true;
	var isValid = true;
	
	
    if(email != null || email != "")
         isEmailValid  = validate_email(email.value); 
		 
	if(!isEmailValid)
	{
		email.style.border="2px solid red";
	}
			
    if(name.value =="" || name.value ==null)
	{
		name.style.border="2px solid red";;
	}	
	
	if(comments.value =="" || comments.value ==null)
	{
		comments.style.border="2px solid red";
	}	

    if(name.value =="" || name.value ==null ||  email.value == "" || email.value == null ||  comments.value =="" || comments.value == null || !isEmailValid)
    {
        return false;
    }
    else
	    return true;	
}

function validate_email(field)
{
    return /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/.test(field);
}

function changeClass(el)
{
	el.className ="";
	el.className = "red top";
}

function unChangeClass(el)
{
	el.className ="";	
	el.className = "unred top";
}
function setIframeTarget()
{
	document.getElementById("nproposal").target ='contactIframe';	
}