function Proverka(obj,str) {
		if (obj.value==str) obj.value='';
}
function Proverka1(obj,str) {
		if (obj.value=='') obj.value=str;
}

function check_field (obj,str)
{
	if (obj.value=='') 
	{
		//obj.value=str;
		alert (str + ' - Обязательное поле');
		return false;
	} else
	{
		return true;
	}
}

function calculator(type){		
		sessvars.myObj = {name : type}		
	    location.replace("/calculator.html");	   	    	
}
function calc(int) {
		sessvars.myObj = {name : int}
		if (int=='1') {
			document.getElementById("in_2").style.background = "#b3da69";
			
			document.getElementById("img1").src = "/i/kvartiri_calc_back.gif";
			document.getElementById("img2").src = "/i/ofisi_calc.gif";
			document.getElementById("img3").src = "/i/vannie_calc.gif";
			document.getElementById("img4").src = "/i/zdania_calc.gif";
			
			document.getElementById("table1").style.display = 'block';
			document.getElementById("table2").style.display = 'none';
			document.getElementById("table3").style.display = 'none';
			document.getElementById("table4").style.display = 'none';
			
			document.getElementById("calc_bg").className = 'calc_bg1';
			
			document.getElementById('resultField').innerHTML = '';
		}
		if (int=='2') {
			document.getElementById("in_2").style.background = "#d0b0f0";
			
			document.getElementById("img1").src = "/i/kvartiri_calc.gif";
			document.getElementById("img2").src = "/i/ofisi_calc_back.gif";
			document.getElementById("img3").src = "/i/vannie_calc.gif";
			document.getElementById("img4").src = "/i/zdania_calc.gif";
			
			document.getElementById("table1").style.display = 'none';
			document.getElementById("table2").style.display = 'block';
			document.getElementById("table3").style.display = 'none';
			document.getElementById("table4").style.display = 'none';
			
			document.getElementById("calc_bg").className = 'calc_bg2';
			
			document.getElementById('resultField').innerHTML = '';
		}
		if (int=='3') {
			document.getElementById("in_2").style.background = "#7cc4ec";
			
			document.getElementById("img1").src = "/i/kvartiri_calc.gif";
			document.getElementById("img2").src = "/i/ofisi_calc.gif";
			document.getElementById("img3").src = "/i/vannie_calc_back.gif";
			document.getElementById("img4").src = "/i/zdania_calc.gif";
			
			document.getElementById("table1").style.display = 'none';
			document.getElementById("table2").style.display = 'none';
			document.getElementById("table3").style.display = 'block';
			document.getElementById("table4").style.display = 'none';
			
			document.getElementById("calc_bg").className = 'calc_bg3';	
			
			document.getElementById('resultField').innerHTML = '';	
		}
		if (int=='4') {
			document.getElementById("in_2").style.background = "#f2b873";
			
			document.getElementById("img1").src = "/i/kvartiri_calc.gif";
			document.getElementById("img2").src = "/i/ofisi_calc.gif";
			document.getElementById("img3").src = "/i/vannie_calc.gif";
			document.getElementById("img4").src = "/i/zdania_calc_back.gif";

			document.getElementById("table1").style.display = 'none';
			document.getElementById("table2").style.display = 'none';
			document.getElementById("table3").style.display = 'none';
			document.getElementById("table4").style.display = 'block';
			
			document.getElementById("calc_bg").className = 'calc_bg4';
			
			document.getElementById('resultField').innerHTML = '';
		}

}