// JavaScript Document


startList = function() {
	if (document.all&&document.getElementById) {
		navRoot = document.getElementById("nav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
				node.onmouseover=function() {
					this.className+=" over";
				}
				node.onmouseout=function() {
					this.className=this.className.replace(" over", "");
				}
			}
		}
	}
}

window.onload=startList

// This function looks at the names of all fields in a form and any that have the string "txt" in them
//And is checked to make sure it has been filled in.

function checkRequired(which){

var pass=true
if (document.images){
for (i=0;i<which.length;i++){
var tempobj=which.elements[i]
if (tempobj.name.substring(0,3)=="txt"){
if (((tempobj.type=="text"||tempobj.type=="textarea")&&tempobj.value=='')||(tempobj.type.toString().charAt(0)=="s"&&tempobj.selectedIndex==-1)){
pass=false
break
}
}
}
}
if (!pass){
alert("One or more of the Required elements are not completed. Please complete them, then submit again!")
return false
}

else
return true
}

//-->

// This Function Formats Phone numbers to look like (555)555-5555
function formatPhone(field) {
    //field.value = trim(field.value);

    var ov = field.value;
    var v = "";
    var x = -1;

    // is this phone number 'escaped' by a leading plus?
    if (0 < ov.length && '+' != ov.charAt(0)) { //format it
        // count number of digits
        var n = 0;
        if ('1' == ov.charAt(0)) {  // skip it
            ov = ov.substring(1, ov.length);
        }

        for (i = 0; i < ov.length; i++) {
            var ch = ov.charAt(i);

            // build up formatted number
            if (ch >= '0' && ch <= '9') {
                if (n == 0) v += "(";
                else if (n == 3) v += ") ";
                else if (n == 6) v += "-";
                v += ch;
                n++;
            }
            // check for extension type section; 
            // are spaces, dots, dashes and parentheses the only valid non-digits in a phone number?
            if (! (ch >= '0' && ch <= '9') && ch != ' ' && ch != '-' && ch != '.' && ch != '(' && ch != ')')
{
                x = i;
                break;
            }
        }
        // add the extension
        if (x >= 0) v += " " + ov.substring(x,ov.length);

        // if we recognize the number, then format it
        if (n == 10 && v.length <= 40) field.value = v;
    }
    return true;
}


//This function checks for a valid e-mail address
function emailcheck(field){
var str = field.value;
var pattern =
/^([a-zA-Z0-9])+([\.a-zA-Z0-9_-])*@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-]+)+/;
var flag = pattern.test(str); 
if ( !flag ) {
alert('Please enter a correct email address and submit again.');
document.contact.txtemail.focus();
return false;}
}
//This function creates a pop up window w/ various options "we are using fixed on the verticalcooling.asp page"
var newWin = null; 
function popUp(strURL, strType, strHeight, strWidth) { 
 if (newWin != null && !newWin.closed) 
   newWin.close(); 
 var strOptions=""; 
 if (strType=="console") 
   strOptions="resizable,height="+ 
     strHeight+",width="+strWidth; 
 if (strType=="fixed") 
   strOptions="status,height="+ 
     strHeight+",width="+strWidth; 
 if (strType=="elastic") 
   strOptions="toolbar,menubar,scrollbars,"+ 
     "resizable,location,height="+ 
     strHeight+",width="+strWidth; 
 newWin = window.open(strURL, 'newWin', strOptions); 
 newWin.focus(); 
}