/* start functions USWeb v 2.7 */

var i = 1;


/*
function setInputValue(formName, inputName, value, minus)
{
    var inputValue = eval("document." + formName + ".elements[inputName].value");
    if (minus) {
        inputValue = eval(inputValue) - eval(value);
        if (inputValue < 0) inputValue = 0 ;
    } else {
        inputValue = eval(inputValue) + eval(value);
    }
    eval("document." + formName + ".elements[inputName].value = inputValue;");
}
*/

//setInputValue(this.form, '1', '1', true);

function setInputValue(formName, inputNum, value, minus)
{
	var inputValue = document[ formName ].getElementsByTagName('input')[ inputNum ].value;
	if (minus) {
		inputValue = eval(inputValue) - eval(value);
		if (inputValue < 1) inputValue = 1;
	} 
	else {
		inputValue = eval(inputValue) + eval(value);
	}
	document[ formName ].getElementsByTagName('input')[ inputNum ].value = inputValue;
}
function setInputValueMy(inputName, inputNum, value,price,sum_g, minus)
{
	var d=window.document;
	var mn=1;
	var inputValue = d.getElementById('id_'+inputName).value;
	if (minus) {
		inputValue = eval(inputValue) - eval(value);
		if (inputValue < 1) inputValue = 1;
		mn=-1;
		} 
	else {
		inputValue = eval(inputValue) + eval(value);
	}
	var sum_l=Math.round(inputValue*price*100)/100;
	//var sum_g_=Math.round((sum_g + mn*price)*100)/100;
	d.getElementById('id_'+inputName).value = inputValue;
	d.getElementById('sum_l_'+inputName).innerHTML = '<span>=</span> '+sum_l+' <span>р.</span>';
	//d.getElementById('sum_g_'+inputName).innerHTML = sum_l;
}