function DeleteBreak(string) {
		while(""+string.charAt(0)==" ") string = string.substring(1, string.length);
		return string;
}

function isNumber(string)
{
    if (string.search(/^\d+$/) != -1)
        return true;
    else
        return false;
}

function isEmail(string) {
    if (string.search(/^\w+((-\w+)|(\.\w+))*\@\w+(((\.|-)\w+)*)?\.\w+$/) != -1)
        return true;
    else
        return false;
}

function openMyRequests(link_my_requests) {
	window.open(link_my_requests, 'my_requests', 'hotkeys,resizable,scrollbars=yes');
}

function openWindow(url, window_name, params) {
	window.open(url, window_name, params + ', top=100,left=100,resizable=yes,scrollbars=yes'); 
}