function setcolor(obj,percentage,prop){
	obj.style[prop] = "rgb(80%,"+(100-percentage)+"%,"+(100-percentage)+"%)";
}

function changeImgNeg(imgName)
{
	img = 'img_'+imgName;
	document.images[img].src = "/bitrix/templates/cmsworld1/images/poll/minus.gif";
}

function exChangeImgNeg(imgName)
{
	img = 'img_'+imgName;
	document.images[img].src = "/bitrix/templates/cmsworld1/images/poll/plusgray.gif";
}

function changeImgPos(imgName)
{
	img = 'img_'+imgName;
	document.images[img].src = "/bitrix/templates/cmsworld1/images/poll/plus.gif";
}

function exChangeImgPos(imgName)
{
	img = 'img_'+imgName;
	document.images[img].src = "/bitrix/templates/cmsworld1/images/poll/mingray.gif";
}