/**
 *
 */
 
/**
 *
 * Function to open a new window
 * Replaces _target since it's not implemented in xhtml strict
 *
 */
function nw(link) {

    window.open(link.href);
    
    return false;
    
}


/**
 *
 * Grid handler
 * 
 */
function getPosition(e) {

    if(confirm('Are you sure this is the place you want your ad placed?')) {

        y_sub = document.getElementById("grid").offsetTop;

        if (!e) e = window.event; // works on IE, but not NS

        if (e) { 
            if (e.pageX || e.pageY) { // this doesn't work on IE6!! (works on FF,Moz,Opera7)
                x = e.pageX;
                y = e.pageY;
            }
            else if (e.clientX || e.clientY) { // works on IE6,FF,Moz,Opera7
                x = e.clientX + document.body.scrollLeft;
                y = e.clientY + document.body.scrollTop;
            }  
        }
        
                                
        if (((x / 10) % 10) != 0) {
         
            x = Math.floor(x / 10);
         
        }
        
        if (((y - y_sub) % 10) != 0) {
         
            y = Math.floor((y - y_sub) / 10);
         
        }        
        
        var gForm = document.getElementById("grid_form");
                       
        gForm.x.value = x;
        gForm.y.value = y;
        
        gForm.submit();
        
    }

}
/**
 *
 * Grid mouse tip coordinates. Unused atm.
 * 
 */
function gridCoord(e) {

    y_sub = document.getElementById("grid").offsetTop;

    if (!e) var e = window.event;
        
    if (e.pageX || e.pageY) {
        
        var x = e.pageX;
        var y = e.pageY;
        
    } else if (e.clientX || e.clientY) {
        
        var x = e.clientX;
        var y = e.clientY;
        
    }

    if (((x / 10) % 10) != 0) {
         
        x = Math.floor(x / 10) + 1;
         
    }
        
    if (((y - y_sub) % 10) != 0) {
         
        y = Math.floor((y - y_sub) / 10) + 1;
         
    }
        
    window.status = "[ " + x + " ; " + y + " ]";

}
 
/**
 *
 * FAQ handler
 */
function faq(id) {

    var el = document.getElementById(id);
    
	displayType = (el.style.display == "none")?"block":"none";

	el.style.display = displayType;

}

/**
 *
 * Buy handler. 
 * Method to calculate the price dynamicaly
 */
function calculate() {

    var width = document.getElementById("width").value;
    var height = document.getElementById("height").value;
    var price = document.getElementById("predefined_price").value;
    
    if (!isNaN(parseInt(width)) && !isNaN(parseInt(height))) {
    
        document.getElementById("width").value = parseInt(width);
        document.getElementById("height").value = parseInt(height);    
        
        document.getElementById("price_").innerHTML = "$" + parseInt(width) * parseInt(height) * price * 100; 
        document.getElementById("hidden_price").value = parseInt(width) * parseInt(height) * price * 100;
        
    } else {
    
        document.getElementById("price_").innerHTML = "Not calculated yet.";
    
    }

}