function changeclass(){
		  var i = document.getElementById("equipmentid").value;
		  document.getElementById(i).className="tabon";
		  }	  
		  
function validateForm()
    {
        for (i=0;i<9;i++){
            if (document.forms["contactform"][i].value==""&&i!=2&&i!=3&&i!=5&&i!=6&&i!=7){
                alert("Please enter the required field.");
                document.forms["contactform"][i].focus();
                return false;
            }
        }

        var x=document.forms["contactform"]["email"].value;
        var atpos=x.indexOf("@");
        var dotpos=x.lastIndexOf(".");
        if (atpos<1 || dotpos<atpos+2 || dotpos+2>=x.length)
            {
                alert("Please enter a valid e-mail address.");
                document.forms["contactform"][7].focus();
                return false;
            }
        
        document.forms["contactform"].submit();
    }
	
function validateRQForm()
    {
        for (i=0;i<9;i++){
            if (document.forms["RQform"][i].value==""&&i!=4&&i!=5&&i!=7&&i!=8){
                alert("Please enter the required field.");
                document.forms["RQform"][i].focus();
                exit;
            }
        }

        var x=document.forms["RQform"]["email"].value;
        var atpos=x.indexOf("@");
        var dotpos=x.lastIndexOf(".");
        if (atpos<1 || dotpos<atpos+2 || dotpos+2>=x.length)
            {
                alert("Please enter a valid e-mail address.");
                document.forms["RQform"][9].focus();
                exit;
            }
        
        document.forms["RQform"].submit();
    }